Questions
The list of ALL nonfunctional requirements and ALL design constraints for the system? nonfunctional requirement based...

The list of ALL nonfunctional requirements and ALL design constraints for the system?

nonfunctional requirement based on :Performance ,Reliability, Availability, Security,Maintainability and Portability

Payroll Management System

As the head of Information Technology at Mena, Inc., you are tasked with building a new payroll management system to replace the existing system which is hopelessly out of date. Mena needs a new system to allow employees to record timecard information electronically and automatically generate paychecks based on the number of hours worked and total amount of sales (for commissioned employees). The new system will be state of the art and will have a Windows-based desktop interface to allow employees to enter and submit timecard information, enter purchase orders, change some employee preferences (such as payment method), and create various reports. The system will run on individual employee desktops throughout the entire company. For reasons of auditing, employees can only access and edit their own timecards and purchase orders. The system will retain information on all employees in the company (Mena currently has around 7,000 employees worldwide). The system must pay each employee the correct amount, on time, by the method that they specify (see possible payment methods described later). Mena, for cost reasons, does not want to replace one of their legacy databases, the Project Management Database, which contains all information regarding projects and charge numbers. The new system must work with the existing Project Management Database, which is a DB2 database running on an IBM mainframe. The Payroll System will access, but not update, information stored in the Project Management Database. Some employees (hourly employee) work by the hour, and they are paid an hourly rate. They must submit timecards that record the date and number of hours worked for a particular charge number. If someone works for more than 8 hours, Mena pays them 1.5 times their normal rate for those extra hours. Hourly workers are paid every Friday. Salaried employees are paid a flat salary. Even though they are paid a flat salary, they submit timecards that record the date and hours worked. This is done so the system can keep track of the hours worked against particular charge numbers. They are paid on the last working day of the month.

Employees can login to the system using their unique IDs’ and passwords and they can only make changes to the timecard for the current pay period and before the timecard has been submitted. The system retrieves and displays the current timecard for the employee. If a timecard does not exist for the employee for the current pay period, the system creates a new one. The start and end dates of the timecard are set by the system and cannot be changed by the employee. If the timecards are submitted, the system makes the timecard read-only. Commissioned employees receive a commission based on their sales. They must be able to maintain purchase orders, which includes adding, changing, and deleting purchase orders. To add an order, Commissioned employees need to submit a purchase order that reflects the date, purchased products, and amount of the sale. It should also contain customer point of contact and customer billing address. The system is responsible for determining the commission rate for each employee, and it is one of 10%, 15%, 25%, or 35%. Also, the system will generate and assign a unique purchase order number to the purchase order, which will be provided to the Commissioned employees as a purchase reference. This unique number can be used later by the Commissioned employees to update their orders’ information, as well as, to delete it. One of the most requested features of the new system is employee reporting. Where employees will be able to request the system for the total hours worked, totals hours worked for a particular project, total pay received year-to-date, or remaining vacation time (vacation / sick leave), etc. In order to create these reports they need to indicate the type of the report, information related to each type, begin and end date of the report and the system will provide the report that satisfies the specified criteria. Employees may then request to print the report. Employees can choose their method of payment. The payment method controls how the Employee will be paid. They can have their paychecks mailed to a postal address of their choice, or they can request direct deposit and have their paycheck deposited into a specific bank account of their choosing. Also, They may choose to directly pick their paychecks up at the office. Mena Payroll Administrator can maintain employee information after he/she logs in to the system. He is responsible for adding new employees, deleting employees and changing all employees’ information such as name, mailing address, social security number, phone number, payment classification (hourly, salaried, commissioned), salary (for salaried and commissioned employees), hourly rate (for hourly employees), commission rate (for commissioned employees), tax deductions and other deductions. Once a new employee is added to the system, a unique ID number will be generated and assigned as an identification reference. Furthermore, the Payroll Administrator can run administrative reports. He can request to create either a “Total Hours Worked” or “Pay Year-to-Date” report. And in order to complete the request for those reports, the administrator must specify the following report criteria: the report type, employee name, begin and end dates for the report. The payroll application will run automatically every Friday and on the last working day of the month to generate the paychecks. It will pay the appropriate employees on those days. The system calculates the pay using entered timecards, purchase orders, employee information and all legal deductions. The system will be told what date the employees are to be paid, so it will generate payments for records from the last time the employee was paid to the specified date. The new system is being designed so that the payroll will always be generated automatically, and there will be no need for any manual intervention. Moreover, the system shall interface with existing bank systems via an electronic transaction in order to complete the deposit of the generated paychecks. The main system must be running most of the time. It is imperative that the system be up and running during the times the payroll is run (every Friday and the last working day of the month). Also, the system shall simultaneously support a large number of users against the central database at any given time. Additionally, the system should prevent employees from changing any timecards other than their own. Finally, only the Payroll Administrator is allowed to change any employee information with the exception of the payment delivery method.

Payroll Management System Glossary The glossary contains the working definitions for the key concepts in the Mena Payroll Management System:

1. Bank System Any bank(s) to which direct deposit transactions are sent.

2. Employee A person who works for the company that owns and operates the payroll system (Mena, Inc.)

3. Payroll Administrator The person responsible for maintaining employees and employee information in the system.

4. Project Management Database The legacy database that contains all information regarding projects and charge numbers.

5. System Clock The internal system clock that keeps track of time. The internal clock will automatically run the payroll at the appropriate times.

6. Pay Period The amount of time over which an employee is paid.

7. Paycheck A record of how much an employee was paid during a specified Pay Period.

8. Payment Method How the employee is paid, either pick-up, mail, or direct deposit.

9. Timecard A record of hours worked by the employee during a specified pay period.

10. Purchase Order A record of a sale made by an employee.

11. Salaried Employee An employee that receives a salary.

12. Commissioned Employee An employee that receives a salary plus commissions.

13. Hourly Employee An employee that is paid by the hour.

In: Computer Science

1.       ________ is a line coding technique in which a logical “1” or “0” is represented...

1.       ________ is a line coding technique in which a logical “1” or “0” is represented by a voltage transition (e.g., low-to-high or high-to-low voltages) in the middle of the clock cycle.

a. NRZ

b. Manchester

c. Bipolar AMI

d. B8ZS

10 points   

QUESTION 12

1.       By using 4B/5B, you introduce 20% overhead.

True

False

10 points   

QUESTION 13

1.       Which timing and data synchronization method depends upon the data to recover timing.

a. Asynchronous

b. Synchronous

c. Isochronous

d. Plesiochronous

10 points   

QUESTION 14

1.       Select the correct statement(s) regarding “error correction”.

a. “error correction” techniques can be classified as either “error detection” or “error correction”

b.  Forward error correction (FEC) depends upon the addition of redundant data bits to correct bit errors during transmission

c. Use of “parity bits” and Cyclic Redundancy Check (CRC) enables “error detection”, but not “error correction”

d. All statements are correct

10 points   

QUESTION 15

1.       Data compression algorithms are based on which concept(s)?

a. Removal of redundant data bits (e.g., “white space”)

b. Use of data formats/forms/templates so that only data, and not formatting information, is sent

c. In text documents, identifying and using common character strings and abbreviations

d. All are correct

10 points   

QUESTION 16

1.       Which multiplexing methods can be used with analog signals?

a. FDM

b. TDM

c. Both FDM and TDM

d. Neither FDM nor TDM

10 points   

QUESTION 17

1.       Communication systems are designed to address the noise floor; however, additional power “link margins” are built into most systems to enable communications when unpredictable or higher than normal noise is present within the operating environment.

True

False

10 points

In: Electrical Engineering

ABC Ltd is an Australian mail-order company. Although the sector in Australia is growing slowly, ABC...

ABC Ltd is an Australian mail-order company.

Although the sector in Australia is growing slowly, ABC Ltd has reported significant increases in sales and net income in recent years.

While sales increased from $50 million in 2009 to $120 million in 2018, profit increased from $3 million to $12 million over the same period.

The stock market and analysts believe that the company’s future is very promising. In early 2019, the company was valued at $350 million, which was three times 2018 sales and 26 times estimated 2019 profit.

Company management and many investors attribute the company’s success to its marketing flair and expertise.

Instead of competing on price, ABC Ltd prefers to focus on service and innovation, including:

free delivery
a free gift with orders over $200.
As a result of such innovations, customers accept prices that are 60% above those of competitors, and ABC maintains a gross profit margin of around 40%.

Nevertheless, some investors have doubts about the company as they are uneasy about certain accounting policies the company has adopted.

For example, ABC Ltd capitalises the costs of its direct mailings to prospective customers ($4.2 million at 30 June 2018) and amortises them on a straight-line basis over 3 years.

This practice is considered to be questionable as there is no guarantee that customers will be obtained and retained from direct mailings.

In addition to the mailing lists developed by in-house marketing staff, ABC Ltd purchased a customer list from a competitor for $800 000 on 4 July 2019.

This list is also recognised as a non-current asset.

ABC Ltd estimates that this list will generate sales for at least another 2 years, more likely another 3 years.

The company also plans to add names, obtained from a phone survey conducted in August 2019, to the list.

These extra names are expected to extend the list’s useful life by another year.

ABC Ltd.’s 2018 statement of financial position also reported $7.5 million of marketing costs as non- current assets.

If the company had expensed marketing costs as incurred, 2018 net income would have been $10 million instead of the reported $12 million.

The concerned investors are uneasy about this capitalisation of marketing costs, as they believe that ABC Ltd.’s marketing practices are relatively easy to replicate.

However, ABC Ltd argues that its accounting is appropriate.

Marketing costs are amortised at an accelerated rate (55% in year 1, 29% in year 2, and 16% in year 3), based on 25 years’ knowledge and experience of customer purchasing behaviour.

Question
How ABC Ltd should account for the costs?

(Specify with the numbers of each cost in the question with AASB138/IAS38)

In: Accounting

Gen. Robert E. Lee's Boyhood Home is for Sale The historic Virginia home that Confederate Gen....

Gen. Robert E. Lee's Boyhood Home is for Sale

The historic Virginia home that Confederate Gen. Robert E. Lee grew up in hit the market (in April 2018) for $8.5 million. (Trapasso, C.)

Robert E. Lee's father Henry rented the home in 1812, according to The Washington Post. The family lived there for over 80 years, including Robert E. Lee from age five to when he went to West Point in 1825. He again visited five years after the Civil War ended, The Post reported. (Leayman, E.)

The home's other claim to fame is that President George Washington also dined and lodged there before the Lee family moved in. (Trapasso, C.)

Built in 1795, the brick house was listed on the National Register of Historic Places in 1986. (Trapasso, C.)

The home had been used as a residence until 1966. The Stonewall Jackson Memorial Foundation purchased the home and opened it to the public. Unable to make ends meet, the foundation sold the home in 2000 to Mark and Ann Kington for $2.5 million. (Trapasso, C.)

The boyhood home of Robert E. Lee in Alexandria was listed on the market with a significant price drop. Previously priced at $8.5 million, the six bedroom is available for $6.2 million (March 2019). (Leayman, E.)

References

Leayman, E. (2019, March 26). Robert E. Lee Boyhood Home Listed for Reduced Price. Retrieved April 2, 2019, from https://patch.com/virginia/oldtownalexandria/robert-e-lee-boyhood-homes-listed-reduced-price

Trapasso, C. (2018, April 3). Own Some Civil War-Era History: Gen. Robert E. Lee's Boyhood Home is for Sale. Retrieved April 2, 2019, from https://www.realtor.com/news/unique-homes/general-robert-e-lees-boyhood-home-sale/

*****************************************************************************

In your initial response to the topic you have to answer all questions.

You are expected to make your own contribution in a main topic as well as respond with value added comments to at least two of your classmates as well as to your instructor.

  1. Calculate the annual compound growth rate of the house price since the house was sold to Mark and Ann Kington (since 2000) until the house was listed for sale at a reduced price in 2019. (Round the number of years to the whole number). Please show your work.
  2. Assume that the growth rate you calculated in question #1 remains the same for the next 30 years. Calculate the price of the house in 30 years after it was listed at a reduced price in 2019. Please show your work.
  3. Assume that the growth rate you calculated in question #1 remains the same since Robert E. Lee's father Henry rented the home in 1812. Calculate the price of the house in 1812. (Round the number of years to the whole number). Please show your work.
  4. Assume the growth rate that you calculated in #1 prevailed since 1795. Calculate the price of the house in 1795. (TIP: To get the answer correctly you need to use the price of the house in your calculations in dollars with all zeros). Please show your work.
  5. You were using the time value of money concept to answer question #4. Think about the time line for that problem. What is the time point 0 in that problem? Please explain your answer.
  6. In April 2018, the listed price of the house was $8.5 million. Calculate the annual compound growth rate of the house price since the house was sold to Mark and Ann Kington (since 2000) until the house was listed for sale in 2018. Compare with your answer to the question #1.
  7. Using the growth rate from question #6, calculate the price of the house in 1812. (Round the number of years to the whole number). Please show your work. Compare with your answer to the question #3.

In: Finance

Intro Topics Covered: Writing classes; References; Equality B.O.S.S. is a service designed to provide a safe...

Intro Topics Covered: Writing classes; References; Equality

B.O.S.S. is a service designed to provide a safe ride around campus. It runs seven days a week while school is in session and there is no cost to use this service.

For this assignment you will write a BossRoadTrip class and a driver class called BossRoadTripDriver. A BossRoadTrip object represents a trip that someone might take between two locations over couple of minutes. Here is the UML diagram for the BossRoadTrip class:

BossRoadTrip

- start: String

- destination: String

- minutes: int // at least 1

+ BossRoadTrip(start: String, destination: String) // minutes = 1, must call other constructor

+ BossRoadTrip(start: String, destination: String, mins: int)

+ getStart() : String

+ getDestination() : String

+ getMinutes() : int

+ lengthen(mins: int) : void // adds additional minutes to trip, mins supposed to be positive, if not do not add

+ shorten(mins: int):boolean //reduces minutes of trip, returns true if successful, false otherwise. //mins supposed to be negative, if not do not update the minutes instance variable. //if mins that will be taken from the trip will make minutes <1, you //should not update the trip length and you should return false

+ equals(other: Object) : boolean // true if all instance variables are equal

+ toString() : String // used to print trip data. Notice that it prints minute or “minutes”

The UML diagram for the BossRoadTripDriver class shown below. You must implement these classes the way that we specify. (Note: The comments in the UML class diagrams are not a standard part of UML. It just happens to be a convenient place to document some of how the methods should work.)

The BossRoadTripDriver combine() method needs a bit of explanation. It takes two BossRoadTrip objects as parameters and returns the combination of the two. This only makes sense if the destination of the first BossRoadTrip is the start of the second BossRoadTrip. When this is the case, the method returns a new BossRoadTrip whose start comes from “first” and destination comes from “second” and whose minutes are the sum of minutes from “first” and “second”.

When the two trips don’t match correctly, you signal this fact by returning a null reference. (There are better ways to handle this, but we havent covered the techniques yet.) You need to remember that the null value represents an undefined object. So, if try to call a method using null, your program will crash. This means that your main() method will have to check the return value of combine() to see whether it is null. Your driver program will ask the user to enter two BossRoadTrips. Then, it will ask if the user wants to adjust their trip duration(minutes). It will then compare for equality and try to combine them.

Boss Road Trip Driver

+ static main(String[] args) : void

+ static combine(first: BossRoadTrip, second:BossRoadTrip) : BossRoadTrip // returns a new BossRoadTrip that combines first and second // if trips can’t be combined, return value is null

+static createRoadTrip(Scanner stdIn, int tripNumber):BossRoadTrip //prompts the user for a series of values to define a new BossRoadTrip object; then //return the object created

+static modifyTripLength(stdIn: Scanner, tripNumber: int, trip: BossRoadTrip): void //prompts the user for an integer to modify the trip’s minutes variable; if the //user provides an integer >0, it calls the lengthen method on trip object, //and if <0 it calls the shorten method

Sample Run:

Welcome to the B.O.S.S RoadTrip Program

Enter start of B.O.S.S RoadTrip 1: Union

Enter destination of B.O.S.S RoadTrip 1: 2000 Frederick ave

Enter minutes for the B.O.S.S RoadTrip 1: 5

Enter start of B.O.S.S RoadTrip 2: 2000 Frederick ave

Enter destination of B.O.S.S RoadTrip 2: Brady Street

Enter minutes for the B.O.S.S RoadTrip 2: 10

B.O.S.S RoadTrip 1: (Union to 2000 Frederick ave, 5 minutes)

B.O.S.S RoadTrip 2: (2000 Frederick ave to Brady Street, 10 minutes)

Adjust length of B.O.S.S RoadTrip 1 (zero for no change): 0

Adjust length of B.O.S.S RoadTrip 2 (zero for no change): 0

B.O.S.S RoadTrip 1: (Union to 2000 Frederick ave, 5 minutes)

B.O.S.S RoadTrip 2: (2000 Frederick ave to Brady Street, 10 minutes)

The B.O.S.S RoadTrips are not equals.

The two B.O.S.S RoadTrips can be combined.

The new B.O.S.S RoadTrip is: (Union to Brady Street, 15 minutes)

Goodbye!

Welcome to the B.O.S.S RoadTrip Program

Enter start of B.O.S.S RoadTrip 1: Union

Enter destination of B.O.S.S RoadTrip 1: Walmart

Enter minutes for the B.O.S.S RoadTrip 1: 10

Enter start of B.O.S.S RoadTrip 2: Union

Enter destination of B.O.S.S RoadTrip 2: Walmart

Enter minutes for the B.O.S.S RoadTrip 2: 10

B.O.S.S RoadTrip 1: (Union to Walmart, 10 minutes)

B.O.S.S RoadTrip 2: (Union to Walmart, 10 minutes)

Adjust length of B.O.S.S RoadTrip 1 (zero for no change): 0

Adjust length of B.O.S.S RoadTrip 2 (zero for no change): 0

B.O.S.S RoadTrip 1: (Union to Walmart, 10 minutes)

B.O.S.S RoadTrip 2: (Union to Walmart, 10 minutes)

The B.O.S.S RoadTrips are equals.

The two B.O.S.S RoadTrips cannot be combined.

Goodbye!

Welcome to the B.O.S.S RoadTrip Program

Enter start of B.O.S.S RoadTrip 1: Union

Enter destination of B.O.S.S RoadTrip 1: Walgreens

Enter minutes for the B.O.S.S RoadTrip 1: 5

Enter start of B.O.S.S RoadTrip 2: PicknSave

Enter destination of B.O.S.S RoadTrip 2: Union

Enter minutes for the B.O.S.S RoadTrip 2: 10

B.O.S.S RoadTrip 1: (Union to Walgreens, 5 minutes)

B.O.S.S RoadTrip 2: (PicknSave to Union, 10 minutes)

Adjust length of B.O.S.S RoadTrip 1 (zero for no change): 2

Adjust length of B.O.S.S RoadTrip 2 (zero for no change): 6

B.O.S.S RoadTrip 1: (Union to Walgreens, 7 minutes)

B.O.S.S RoadTrip 2: (PicknSave to Union, 16 minutes)

The B.O.S.S RoadTrips are not equals.

The two B.O.S.S RoadTrips cannot be combined.

Goodbye!

In: Computer Science

Summarize the overall trends and outcomes of 2000 - 2010 in the US by integrating economic...

Summarize the overall trends and outcomes of 2000 - 2010 in the US by integrating economic models, and historical analysis. Refer to GDP, unemployment, interest rate, fiscal policy, monetary policy and foreign trade.

Please relate answer in summary form and only for the 2000 - 2010 US time period.

In: Economics

Use the information given below to answer Questions 10 - 15. Robin Industries, Inc., [RI] manufactures...

Use the information given below to answer Questions 10 - 15. Robin Industries, Inc., [RI] manufactures and sells electronic solid fuel powered vehicles popularly known as BatKars [BK]. All units are sold with under a two-year warranty contract with a commitment to replace defective parts and provide the necessary labor services for such repair . During 2018 the corporation sold 6,000 BKs for cash at a unit price of $4,000. Based on past experience, the two-year warranty contracts are estimated to cost the company $380 per unit which included $80 per unit on parts and the balance for labor. These are recorded at the time when the sales are recorded. During 2018, RI incurred actual costs of $990,000 (which consisted of $444,000 for parts and the rest for labor) on repair work called for by customers on the sold units. Apply the expense-based (assurance-type) approach for answering Questions 10 - 12 stated below. NEXT You are then further informed that RI estimates $500 per unit of the product revenues from the above mentioned sales would would be considered as warranty revenues. 40% of these warranty revenues relate to year 2018 and the balance to year 2019. Now apply the revenue-based (service-type) approach for answering Questions 13 - 15.

10] The entry to record the warranty contracts issued in 2018 would be

a. Warranty Expenses ...... DR $1,080,000; Warranty Expenses Payable ...... CR $ 1,080,000.

b. Warranty expenses ...... DR $2,280,000; Cash ...... CR $2,280,000.

c. Warranty Expenses ...... DR $2,280,000; Estimated Warranty Liabilities ...... CR $2,280,000.

d. Warranty expenses ...... DR $2,280,000; Parts Inventory ...... CR $480,000; Direct Labor ...... CR $1,800,000

e. Warranty expenses ...... DR $24,000,000; Cash ...... CR $24,000,000.

11] Prepare the journal entry to record the actual warranty costs incurred by RI during 2018.

a. Warranty expenses ...... DR $1,080,000; Parts Inventory ...... CR $1,080,000.

b. Estimated Warranty Liabilities ...... DR $1,080,000; Parts Inventory ...... CR $1,080,000.

c. Estimated Warranty Liabilities ...... DR $990,000; Parts Inventory ...... CR $444,000; Direct Labor ...... CR $546,000; ..

d. Warranty expenses ...... DR $1,290,000; Estimated Warranty Liabilities ...... CR $1,290,000.

e. Warranty expenses ...... DR $1,080,000; CR Cash ...... $1,080,000.

12. How would the warranty transactions be reported on the financial statements for December 31, 2018 stating the appropriate classifications and amounts?

a. Income Statement: Sales Revenues ... $24,000,000; Warranty Expenses ... $2,280,000; and Balance Sheet: Non-Current Liability - Estimated Liability for Warranties ... $1,290,000.

b. Income Statement: Warranty Revenues ... $24,000,000; Warranty Expenses ... $2,280,000; and Balance Sheet: Current Liability - Estimated Liability for Warranties ... $1,290,000.

c. Income Statement: Sales Revenues ... $24,000,000; Warranty Expenses ... $990,000; and Balance Sheet: Current Liability - Warranties Payable ... $990,000.

d. Income Statement: Sales Revenues ... $24,000,000; Warranty Expenses ... $990,000; and Balance Sheet: Non-Current Liability - Estimated Liability for Warranties ... $1,290,000.

e. None of the above.

13] What would be the journal entry to record the sales of the BatKars and the warranty in 2018?

a. Cash ...... DR $24,000,000; Sales Revenue ...... CR $21,000,000; Warranty Payable ...... CR $3,000,000.

b. Cash ...... DR $24,000,000; Sales Revenue ...... CR $21,000,000; Unearned Warranty Revenue ...... CR $3,000,000.

c. Cash ...... DR $24,000,000; Sales Revenue ...... CR $21,000,000; Gain On Warranty ...... CR $3,000,000.

d. Cash ...... DR $24,000,000; Sales Revenue ...... CR $23,010,000; Warranty Payable ...... CR $990,000.

e. None of the above.

14] The journal entry to record the actual warranty costs incurred in 2018 would be

a. Warranty Expense ...... DR $990,000; Cash ...... CR $546,000; Parts Inventory ...... CR $444,000

b. Warranty Expense ...... DR $990,000; Warranty Payable ...... CR $990,000.

c. Warranty Expense ...... DR $990,000; Estimated Liability for Warranties ...... CR $990,000.

d. Warranty Revenues ...... DR $990,000; Cash ...... CR $546,000; Parts Inventory ...... CR $444,000.

e. Warranty Expense ...... DR $990,000; Direct Labor ...... CR $546,000; Parts Inventory ...... CR $444,000.

15] How would the warranty transactions be reported on the financial statements for December 31, 2018 stating the appropriate classifications and amounts?

a. Income Statement: Sales Revenue ...... $21,000,000; Warranty Revenue ...... $1,200,000; and Warranty Expenses ...... $990,000; and Balance Sheet: Current Liability - Estimated Liability for Warranties ...... $1,800,000.

b. Income Statement: Sales Revenue ...... $21,000,000; Warranty Revenue ...... $1,200,000; Warranty Expenses ...... $990,000; and Balance Sheet: Current Liability - Unearned warranty revenue ...... $1,800,000.

c. Income Statement: Sales Revenue ...... $21,000,000; Warranty Revenue ...... $1,200,000; Warranty Expenses ...... $990,000; and Balance Sheet: Non-Current Liability - Unearned warranty revenue ...... $1,800,000.

d. Income Statement: Sales Revenues ...... $24,000,000; Warranty Expenses ...... $1,200,000; and Balance Sheet: Current Liability - Unearned warranty revenue ...... $1,800,000.

In: Accounting

Part 1: You obtain an organic compound that contains C, H, N, and O and determine...

Part 1:

You obtain an organic compound that contains C, H, N, and O and determine the percent composition of each element. You determine that the sample is 34.91% carbon, 6.83% hydrogen, 27.26% nitrogen, and 31.00% oxygen, each by mass. We will make the assumption that the percent listed is the same as the mass in grams, if the total mass is 100 grams.

a) Using this assumption, determine the moles of each element. After, add up the moles of each element and enter your answer below.

b) Now, divide all substances by the number of moles of the element with the SMALLEST number of moles. Add up all these values, and enter the number below.

c) Round the numbers obtained in part 3 to either whole numbers or decimals that represent common fractions (such as 0.5 for 1/2, 0.33 for 1/3, 0.66 for 2/3, 0.25 for 1/4, 0.75 for 3/4, etc). Now, multiply the numbers by a factor until they are all whole. Sum up the resulting numbers and enter your sum below (your answer should be a whole number).

d) The above result represents the empirical formula, or the formula with the lowest whole number ratios of each element. Determine the molar mass of the empirical formula, and enter the value below

e) The molar mass of the compound is 206.44. If necessary, multiply the empirical formula by some whole number in order to match this molecular mass. Then, sum up the subscripts of all elements and enter your number below (if necessary, include any implied one's). Your answer should be a whole number.

In: Chemistry

Problem 3: VSL a) Describe VSL (i.e., “Value of a Statistical Life”) in terms that a...

Problem 3: VSL

a) Describe VSL (i.e., “Value of a Statistical Life”) in terms that a non-economist can understand, taking care to “de-stigmatize” this economic concept (i.e., explain why it should not be considered as controversial as it is often portrayed).

b) Lavetti (2012) studies the wage-risk tradeoff for one of the riskiest professions in the United States: crab fishing in Alaska. The riskiness of crab fishing is driven mainly by the season and weather conditions. Lavetti collects data on the weather conditions of specific fishing trips, and the wages paid to the crew. He then runs a regression of the wage on the expected fatality rate for each trip and finds that an increase in one fatality per 1000 full time workers per year increases the mean hourly wage by $2.10. Calculate the VSL implied by this estimate, assuming that the number of hours a full-time worker works in a year is 2000.

c) Does this number seem high or low to you? Briefly discuss why this might be the case.

In: Economics

iv. You employer calls a meeting but due to unforeseen circumstances he/she is unable to attend....

iv. You employer calls a meeting but due to unforeseen circumstances he/she is unable to attend. Form a sample of the minutes you would record/document for your employer to update them about the points discussed and decisions made in the meeting.

(write a brief answer)

In: Operations Management