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1. If you were to perform the analysis and develop a logical model for the college's course registration system, would it be better to use a top-down approach or a bottom-up strategy (or another approach...be sure to describe). What are the reasons for your approach decision?

Answer:-  If I need to do the analysis and develop a logical model for the university's enrollment system, I think it's better to use a top-down approach. The difference between the top-down and down-up approaches is that the top-down approach moves from general to specific, and the bottom-up approach starts from specific and moves to general. The advantage of the top-down approach is that a complex algorithm is broken down into smaller fragments, better known as ‘modules.’ It is further broken down into smaller pieces when it can no longer be fragmented. Breaking the Bigger Problem into Small Pieces A top-down approach minimizes what typically occurs while designing an algorithm. This is because the course registration system can be divided by utilizing features and analyzed in all subsystems, I prefer to use the top-down approach.

2. Perform a Internet search upon the term and concept black box as it pertains to computer science. Why is this an important concept within software design and development? Why is this concept important within the context of code reuse?

Answer :- The concept of the black box is a demonstration how the input is transformed to an output. This is an important concept to consider within software design in regards to the way the program is supposed to work. For the input of code, the programmer wants a specific output while the computer outputs what it is programmed to do. The reason it is a black box is to illustrate the internal processes the computer uses to determine the output, such as binary code. This idea is crucial for recycling code because when the output of the code is successful, programmers can implement the same code for another program to decrease time consumption.

(Use Excel) For many the promise of a college degree has turned to disappointment as they find themselves struggling to find a job (Financial Times, June 1, 2012). It is especially disturbing since recent evidence suggests that graduating at bad economic times can impact the person’s earning power for a long time. An associate dean at a prestigious college wants to determine if the starting salary of his college graduates has declined from 2008 to 2010. He expects the variance of the salaries to be different between these two years. The accompanying table shows a portion of the salary data for 40 college graduates. Use Table 2. Salary 2008 ($) Salary 2010 ($) Salary 2008 ($) Salary 2010 ($) 34,000 38,000 44,000 43,000 54,000 62,000 41,000 30,000 50,000 32,000 34,000 43,000 53,000 40,000 50,000 61,000 50,000 66,000 56,000 72,000 45,000 33,000 42,000 48,000 63,000 43,000 26,000 60,000 46,000 66,000 56,000 43,000 54,000 66,000 54,000 69,000 50,000 41,000 41,000 48,000 67,000 70,000 69,000 39,000 53,000 27,000 38,000 52,000 37,000 31,000 57,000 28,000 49,000 56,000 54,000 51,000 38,000 58,000 56,000 60,000 40,000 11,000 65,000 18,000 56,000 34,000 49,000 42,000 37,000 64,000 60,000 44,000 50,000 40,000 48,000 48,000 53,000 26,000 50,000 57,000 PictureClick here for the Excel Data File Let Sample 1 be the sample of the starting salary of college graduates in 2008 and Sample 2 be the sample of the starting salary of college graduates in 2010. a-1. Specify the competing hypotheses that determine whether the starting salary of college graduates has declined from 2008 to 2010. H0: ?1 ? ?2 = 0; HA: ?1 ? ?2 ? 0 H0: ?1 ? ?2 ? 0; HA: ?1 ? ?2 < 0 H0: ?1 ? ?2 ? 0; HA: ?1 ? ?2 > 0 a-2. Using the p-value approach, have salaries gone down from 2008 to 2010 at the 5% significance level? Reject H0; there is evidence that the starting salary of college graduates has declined from 2008 to 2010. Reject H0; there is no evidence that the starting salary of college graduates has declined from 2008 to 2010. Do not reject H0; there is evidence that the starting salary of college graduates has declined from 2008 to 2010. Do not reject H0; there is no evidence that the starting salary of college graduates has declined from 2008 to 2010.

Suppose we have the following annual sales data for an automobile dealership:

Year                Sales                Trend

2009                121                     1

2010                187                     2

2011                165                     3

2012                134                     4

2013                155                     5

2014                167                     6

2015                200                     7

2016                206                     8

2017                221                    9

2018                231                 10

We want to forecast sales for 2019 and 2020 using either a simple trend model or a quadratic trend model. Use a within sample forecasting technique to determine the best model using the RMSE measure discussed in lecture. Once this model has been determined, provide actual forecasts for 2019 and 2020. Report the two RMSE values, along with the actual forecasts. Submit your Excel file used to create these answers.

JY investment Ltd holds a well-diversified portfolio of shares that has a market value of $1.5 million on 30 June 2019. JY is concerned about possible downturns in the share market and on 1 March 2020 decides to take out a sell position in eleven “September 2020 SPI 200 Futures” units when the SPI 200 is 5500. The SPI 200 Futures contract unit value is the value of SPI 200 multiplied by $25. To enter the contract, JY pays an initial cash deposit (margin) of $150,000 to a broker. On 30 June 2020, the reporting date of JY investment Ltd, the unit price of the September SPI futures contracts has fallen to 5300 and the market value of the firm’s portfolio of shares is $1 435 000. Assume broker allows a $50,000 drop before making a margin call to allow for minor fluctuations in the market. The shares are sold on 31 August 2020 when the market value of the shares is $1 290 000 and the September SPI 200 futures contract closed out at 5250 on 31 August 2020. Assume the futures contracts qualify as a hedge, the shares are marked to market.

REQUIRED: Prepare journal entries to account for the above events from 1 March 2020 to 31 August 2020. Show all calculations and round them to the nearest dollar amount. No narration is required.

JY investment Ltd holds a well-diversified portfolio of shares that has a market value of

$1.5 million on 30 June 2019. JY is concerned about possible downturns in the share market and on 1 March 2020 decides to take out a sell position in eleven “September 2020 SPI 200 Futures” units when the SPI 200 is 5500. The SPI 200 Futures contract unit value is the value of SPI 200 multiplied by $25. To enter the contract, JY pays an initial cash deposit (margin) of $150,000 to a broker.

On 30 June 2020, the reporting date of JY investment Ltd, the unit price of the September SPI futures contracts has fallen to 5300 and the market value of the firm’s portfolio of shares is $1 435 000. Assume broker allows a $50,000 drop before making a margin call to allow for minor fluctuations in the market.

The shares are sold on 31 August 2020 when the market value of the shares is $1 290 000 and the September SPI 200 futures contract closed out at 5250 on 31 August 2020. Assume the futures contracts qualify as a hedge, the shares are marked to market.

QUESTION

Prepare journal entries to account for the above events from 1 March 2020 to 31 August 2020. Show all calculations and round them to the nearest dollar amount. No narration is required.

As a manager for finance, information and communication technology of Okahao town council, your chief executive officer have tasked you to draft the town council's budget. he further indicated that the town council will use a zero based budgeting for the 2020/2021 financial year. present the budget using the zero based format

1. During 2020, Waldo Inc. sold 10 acres of prime commercial zoned land to a builder for $5,000,000. The builder gave Waldo a $1,000,000 down payment and will pay the remaining balance of $4,000,000 to Waldo in 202 Waldo purchased the land in 2011 for $2,000,000. Using the installment method, how much profit will Waldo report for 2020?

1. $600,000
2. $1,000,000
3. $3,000,000

2. Using the same information as in the preceding question, how much profit will Waldo report for 2020 using the cost recovery method?

1. None
2. $600,000
3. $1000,000

Below is the income statement for Red Storm Cleaners for the year ended December 31, 2020. During 2020, dividends paid by Red Storm Cleaners were $1,100.  Write down the closing entries for Red Storm Cleaners.

List and explain at least three exceptions that exist in the NBA collective bargaining agreement that permit teams to spend beyond the league salary cap

What is the collective strength of the five competitive forces facing the three North America-based wholesale clubs (Costco, BJ's, and Sam's Club)?