Markets generally lead to efficient use and allocation of
resources, but sometimes at the cost of equity. Many have observed
a trade-off between efficiency and equity, or growth in income and
wealth inequality as the economy becomes more efficient.
Bill Gates made the following statement: "Yes, some level of
inequality is built into capitalism.... It is inherent to the
system. The question is, what level of inequality is acceptable?
And when does inequality start doing more harm than good?"
In: Economics
Q1: what does the efficient frontier represents?
Q2: how do we estimate the return and standard deviation of a newly built portfolio from analyzing the stocks in that portfolio?
Q3: in the regression equation, what is meant by a regression that has an R-square with 0.95 and how does it compare with a regression with a R-square of 0.30?
Q4: why do we use adjusted beta?
Q5: what is the information ratio and why do we use it?
In: Finance
For these of string functions, write the code for it in C++ or Python (without using any of thatlanguage's built-in functions) You may assume there is a function to convert Small string into the language string type and a function to convert your language's string type back to Small string type.
1. int [] searchA,ll(string in...str, string sub): returns an array of positions of sub in in...str or an one element array with -1 if sub doesn't exist in in...str
In: Computer Science
Write a program named “hw2-extra.py” that will find duplicate numbers in an array.Here is a
sample run of the program. An example for an input is as follows. The program tells you “The
7
duplicate numbers: 2 3 7 1”.
Again, do not use built-in functions if there is any.
You can read
the input from the file named as “hw2-ExtraCredit.txt”
235231779 13 15 99 96 4 1
The duplicate numbers: 2 3 1 7
In: Computer Science
a) Explain differential movement and prevention in brick and concrete masonry. Where the control joints are must be located.
b) A 150 –ft exterior clay brick wall is designed for ½ -in expansion joints and a joint compressibility of 40 %. Determine the maximum joint spacing and the minimum number of joints required for entire wall. (Wall is going to be built in Lubbock TX. Temperature difference can be taken as 80ºF. Annual mean relative humidity is moderate 75>AMRH>50)
In: Civil Engineering
Q1: what does the efficient frontier represents?
Q2: how do we estimate the return and standard deviation of a newly built portfolio from analyzing the stocks in that portfolio?
Q3: in the regression equation, what is meant by a regression that has an R-square with 0.95 and how does it compare with a regression with a R-square of 0.30?
Q4: why do we use adjusted beta?
Q5: what is the information ratio and why do we use it?
In: Finance
General Journal Entries
|
One Product Corp. (OPC) incorporated at the beginning of last
year. The balances on its postclosing |
| Cash | $ | 19,500 | |
| Accounts Receivable | 8,250 | ||
| Allowance for Doubtful Accounts | 885 | ||
| Inventory | 12,060 | ||
| Prepaid Rent | 1,600 | ||
| Equipment | 25,000 | ||
| Accumulated Depreciation | 2,400 | ||
| Accounts Payable | 0 | ||
| Sales Tax Payable | 500 | ||
| FICA Payable | 600 | ||
| Withheld Income Taxes Payable | 500 | ||
| Salaries and Wages Payable | 1,600 | ||
| Unemployment Tax Payable | 300 | ||
| Unearned Revenue | 4,500 | ||
| Interest Payable | 495 | ||
| Note Payable (long-term) | 22,000 | ||
| Common Stock | 13,300 | ||
| Additional Paid-In Capital, Common | 19,210 | ||
| Retained Earnings | 4,120 | ||
| Treasury Stock | 4,000 | ||
|
The following information is relevant to the first month of operations in the following year: |
| • |
OPC sell its inventory at $150 per unit, plus sales tax of 6%. OPC’s January 1 inventory balance consists of 180 units at a total cost of $12,060. OPC’s policy is to use the FIFO method, recorded using a perpetual inventory system. |
| • | The $1,600 in Prepaid Rent relates to a payment made in December for January rent this year. |
| • |
The equipment was purchased on July 1 of last year. It has a residual value of $1,000 and an expected life of five years. It is being depreciated using the straight-line method. |
| • |
Employee wages are $4,000 per month. Employees are paid on the 16th for the first half of the month and on the first day of the following month for the second half of each month. Withholdings each pay period include $250 of income taxes and $150 of FICA taxes. These withholdings and the employer’s matching contribution are paid monthly on the second day of the following month. In addition, unemployment taxes of $50 are accrued each pay period, and will be paid on March 31. |
| • |
Unearned Revenue is for 30 units ordered and paid for in advance by two customers in late December. One order of 25 units is to be filled in January, and the other will be filled in February. |
| • | Note Payable arises from a three-year, 9 percent bank loan received on October 1 last year. |
| • | The par value on the common stock is $2 per share. |
| • | Treasury Stock arises from the reacquisition of 500 shares at a cost of $8 per share. |
|
January Transactions |
| 1. |
On 1/01, OPC paid employees’ salaries and wages that were previously accrued on December 31. |
| 2. |
A truck is purchased on 1/02 for $10,000 cash. It is estimated this vehicle will be used for 50,000 miles, after which it will have no residual value. |
| 3. |
Payroll withholdings and employer contributions for December are remitted on 1/03. |
| 4. |
OPC declares a $0.50 cash dividend on each share of common stock on 1/04, to be paid on 1/10. |
| 5. |
A $950 customer account is written off as uncollectible on 1/05. |
| 6. | On 1/06, recorded sales of 175 units of inventory on account. Sales tax is charged but not yet collected or remitted to the state. |
| 7. | Sales taxes of $500 which had been collected and recorded in December are paid to the state on 1/07. |
| 8. | On 1/08, OPC issued 300 shares of treasury stock for $2,400. |
| 9. | Collections from customers on account, totaling $8,500, are recorded on 1/09. |
| 10. |
On 1/10, OPC distributes the $0.50 cash dividend declared on January 4. The company’s stock price is currently $5 per share. |
| 11. | OPC purchases on account and receives 70 units of inventory on 1/11 for $4,410. |
| 12. |
The equipment purchased last year for $25,000 is sold on 1/15 for $23,000 cash. Record depreciation for the first half of January prior to recording the equipment disposal. |
| 13. |
Payroll for January 1-15 is recorded and paid on 1/16. Be sure to accrue unemployment taxes and the employer’s matching share of FICA taxes. |
| 14. |
Having sold the equipment, OPC pays off the note payable in full on 1/17. The amount paid is $22,585 which includes interest accrued in December and an additional $90 interest through January 17. |
| 15. |
On 1/27, OPC records sales of 30 units of inventory on account. Sales tax is charged but not yet collected or remitted. |
| 16. |
A portion of the advance order from December (25 units) is delivered on 1/29. No sales tax is collected on this transaction because the customer is a United States governmental organization that is exempt from sales tax. |
| 17. |
To obtain funds for purchasing new equipment, OPC issued bonds on 1/30 with a total face value of $90,000, stated interest rate of 5 percent, annual compounding, and six-year maturity date. OPC received $81,420 from the bond issuance, which implies a market interest rate of 7 percent. |
| 18. | On 1/31, OPC records units-of-production depreciation on the vehicle (truck), which was driven 1,900 miles this month. |
| 19. |
OPC estimates that 2% of the ending accounts receivable balance will be uncollectible. Adjust the applicable accounts on 1/31, using the allowance method. |
| 20. | On 1/31, adjust for January rent expired. |
| 21. | Accrue January 31 payroll on 1/31, which will be payable on February 1. Be sure to accrue unemployment taxes and the employer’s matching share of FICA taxes. |
| 22. |
Accrue OPC’s corporate income taxes on 1/31, estimated to be $3,750. Prepare all January journal entries and adjusting entries for items 1–19. Review the 'General Ledger' and the adjusted 'Trial Balance' Tabs to see the effect of the transactions on the account balances. 1 On 1/01, OPC paid employees’ salaries and wages that were previously accrued on December 31. Record the transaction. 2 A truck is purchased on 1/02 for $10,000 cash. It is estimated this vehicle will be used for 50,000 miles, after which it will have no residual value. Record the transaction. 3 Payroll withholdings and employer contributions for December are remitted on 1/03. Record the transaction. 4 OPC declares a $0.50 cash dividend on each share of common stock on 1/04, to be paid on 1/10. Record the transaction. 5 A $950 customer account is written off as uncollectible on 1/05. Record the transaction. 6 On 1/06, recorded sales of 175 units of inventory on account. Sales tax is charged but not yet collected or remitted to the state. Record the transaction. 7 On 1/06, recorded sales of 175 units of inventory on account. Sales tax is charged but not yet collected or remitted to the state. Record the transaction. 8 Sales taxes of $500 that had been collected and recorded in December are paid to the state on 1/07. Record the transaction. 9 On 1/08, OPC issued 300 shares of treasury stock for $2,400. Record the transaction. 10 Collections from customers on account, totaling $8,500, are recorded on 1/09. Record the transaction. 11 On 1/10, OPC distributes the $0.50 cash dividend declared on January 4. The company’s stock price is currently $5 per share. Record the transaction. 12 OPC purchases on account and receives 70 units of inventory on 1/11 for $4,410. Record the transaction. 13 The equipment purchased last year for $25,000 is sold on 1/15 for $23,000 cash. Record depreciation for the first half of January prior to recording the equipment disposal. Record the transaction. 14 The equipment purchased last year for $25,000 is sold on 1/15 for $23,000 cash. Record depreciation for the first half of January prior to recording the equipment disposal. Record the transaction. 15 Payroll for January 1-15 is recorded and paid on 1/16. Be sure to accrue unemployment taxes and the employer’s matching share of FICA taxes. Record the transaction. 16 Having sold the equipment, OPC pays off the note payable in full on 1/17. The amount paid is $22,585, which includes interest accrued in December and an additional $90 interest through January 17. Record the transaction. 17 On 1/27, OPC records sales of 30 units of inventory on account. Sales tax is charged but not yet collected or remitted. Record the transaction. 18 On 1/27, OPC records sales of 30 units of inventory on account. Sales tax is charged but not yet collected or remitted. Record the transaction. 19 A portion of the advance order from December (25 units) is delivered on 1/29. No sales tax is collected on this transaction because the customer is a United States governmental organization that is exempt from sales tax. Record the transaction. 20 A portion of the advance order from December (25 units) is delivered on 1/29. No sales tax is collected on this transaction because the customer is a United States governmental organization that is exempt from sales tax. Record the transaction. 21 To obtain funds for purchasing new equipment, OPC issued bonds on 1/30 with a total face value of $90,000, stated interest rate of 5 percent, annual compounding, and six-year maturity date. OPC received $81,420 from the bond issuance, which implies a market interest rate of 7 percent. Record the transaction. 22 On 1/31, OPC records units-of-production depreciation on the vehicle (truck), which was driven 1,900 miles this month. Record the transaction. 23 OPC estimates that 2% of the ending accounts receivable balance will be uncollectible. Adjust the applicable accounts on 1/31, using the allowance method. Record the transaction. 24 On 1/31, adjust for January rent expired. Record the transaction. 25 Accrue January 31 payroll on 1/31, which will be payable on February 1. Be sure to accrue unemployment taxes and the employer’s matching share of FICA taxes. Record the transaction. 26 Accrue OPC’s corporate income taxes on 1/31, estimated to be $3,750. Record the transaction. |
In: Accounting
Which of the following is true?
a. Catabolism is degradative, in which organic molecules are converted into smaller, simpler end products with the consumption of energy.
b. Anabolism is degradative, in which organic molecules are converted into smaller, simpler end products with the consumption of energy.
c. Catabolism is degradative, in which organic molecules are converted into smaller, simpler end products with the release of energy.
d. Catabolism is synthetic, in which small simple precursors are built up into organic molecules with the consumption of energy.
e. Anabolism is synthetic, in which small simple precursors are built up into organic molecules with the release of energy.
Which of the following is true?
a. Enthalpy, H, is the heat content of the reacting system. If a reaction consumes heat is it called exothermic, because it is taking heat from its external surroundings.
b. Entropy, S, is a quantitative expression for the order in a system. The universe tends to move away from entropy.
c. Gibbs free energy, G, expresses the amount of energy available to do work. The temperature and pressure are not relevant.
d. Enthalpy, H, is negative when a reaction is exothermic, because the reaction is releasing heat.
e. Gibbs free energy, G, is positive when a reaction is thermodynamically favorable because it takes energy to make reactions proceed.
In: Biology
This question demonstrates the use of inheritance and
polymorphism.
Design a Ship class that has the following members:
• A field for the name of the ship (a string).
• A field for the year that the ship was built (a string).
• A constructor and appropriate accessors and mutators.
• A toString method that overrides the toString method in the
Object class. The Ship class
toString method should display the ship’s name and the year it was
built.
Design a CruiseShip class that extends the Ship class. The
CruiseShip class should have the following members:
• A field for the maximum number of passengers (an int).
• A constructor and appropriate accessors and mutators.
• A toString method that overrides the toString method in the base
class. The CruiseShip class’s
toString method should display only the ship’s name and the maximum
number of passengers.
Design a CargoShip class that extends the Ship class. The CargoShip
class should have the following members:
• A field for the cargo capacity in tonnage (an int).
• A constructor and appropriate accessors and mutators.
• A toString method that overrides the toString method in the base
class. The CargoShip class’s
toString method should display only the ship’s name and the ship’s
cargo capacity.
Demonstrate the classes in a program that has a Ship array. Assign
various Ship, CruiseShip, and CargoShip objects to the array
elements. The program should then step through the array and print
each object.
In: Computer Science
A regression model of the form
y = beta0 + beta1 x1 + beta2 x2 + beta3 x3 + E
was built using 20 observations. Partially completed regression output tables are provided below. What are the values of A, B, and C?
Table 1
|
Statistic |
Value |
|
R-Square |
A |
|
Adjusted R-Square |
B |
|
Standard Error (RMSE) |
C |
|
n |
20 |
Table 2
|
Source |
DF |
SS |
MS |
F |
P-Value |
|
Regression |
D |
175 |
H |
J |
K |
|
Error |
E |
G |
I |
||
|
Total |
F |
250 |
A regression model of the form
y = beta0 + beta1 x1 + beta2 x2 + beta3 x3 + E where E is assumed to be normal with mean 0 and constant variance.
was built using 20 observations. Partially completed regression output tables are provided below. What are the values of D, E, and F?
Table 1
|
Statistic |
Value |
|
R-Square |
A |
|
Adjusted R-Square |
B |
|
Standard Error (RMSE) |
C |
|
n |
20 |
Table 2
|
Source |
DF |
SS |
MS |
F |
P-Value |
|
Regression |
D |
175 |
H |
J |
K |
|
Error |
E |
G |
I |
||
|
Total |
F |
250 |
In: Statistics and Probability