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Ksenya-84 [330]
3 years ago
7

1) Decide whether you would expect relationship between the following pairs of dependent and independent variables (respectively

) to be positive, negative, or ambiguous. Explain your reasoning. a. Aggregate net investment in the United States in a given year and GDP in that year. b. The number of acres of wheat planted in a season and the price of wheat at the beginning of that season. c. Aggregate net investment and the real rate of interest in the same year and country. d. The quantity of canned tuna demanded and the real price of a can of tuna. e. The growth rate of GDP in a year and the average hair length in that year.
Business
1 answer:
kvasek [131]3 years ago
4 0

Answer:

(a) GDP is a dependent variable and aggregate net investment is a independent variable. There is a positive relationship between the variables which means that an increase in the net investment will lead to increase GDP.

(b) There is a negative relationship between the variables which means that as the supply of wheat increases, as a result price of wheat falls. So, as the number of acres of wheat planted in a season  increases as a result price of wheat decline.

(c) There is a negative relationship between the variables which means that an increase in the interest rate in an economy will lead to increase the cost of borrowings and hence, net investment falls.

(d) There is a negative relationship between the variables because of the law of demand. It states that an increase in the price of a commodity will lead to reduce the quantity demanded for that commodity.

(e) There is no relationship between these variables. Both the variables are totally uncorrelated.

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Answer:

The company should order 100 units to minimize total inventory cost.

Explanation:

Given,

Annual Demand, D = 2,000 units

Order cost, S = $20

Purchase cost = $40

Holding cost, H = Purchase cost x percentage of holding cost

Holding cost = $40 × 20%

Holding cost = $8

We know, the company should order the highest number of products with a minimum cost, and for that, the company uses economic order quantity. Hence,

Economic Order Quantity (EOQ) = \sqrt\frac{2*D*S}{H} }

EOQ = \sqrt \frac{2*2,000*20}{8}

EOQ = \sqrt{10,000}

EOQ = 100

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Assume there must be one-to-one matching between consultants and projects. For the optimal schedule, what is the total number of
katrin2010 [14]

Complete Question:

The president of a consulting firm wants to minimize the total number of hours it will take to complete three projects for a new client. Accordingly, she has estimated the time it should take for each of her top consultants-Charlie, Betty, Johnny, and Rick-to complete any of the three projects, as follows: Project (Hours) Consultant Charlie 16 11 13 Betty 15 14 18 Johnny 22 12 15 Rick 17 12 22 Assume there must be one-to-one matching between consultants and projects. For the optimal schedule, what is the total number of hours it will take these consultants to complete these projects? Options: 46 hours, 61 hours, 53 hours, 54 hours, 50 hours

Answer:

For the optimal schedule, the total number of hours it will take these consultants to complete these projects is:

54 hours

Explanation:

a) Data and Calculations:

                                        Project (Hours)

Consultant             A            B            C          D   Project assignment

Charlie                   13           16           11          13    Charles takes C for 11      

Betty                       11           15           14         18    Betty takes A for 11

Johnny                   15          22          12         15    Johnny takes D for 15

Rick                        17           17           12         22   Rick takes B for 17

Minimum hours     11            15          11          13    Total hours taken 54

b) To achieve optimal schedule, Consultant Betty should take project A, spending 11 hours.  Consultant Charlie should take project C for 11 hours.  Consultant Johnny should take project D for 15 hours, while Rick takes project B for 17 hours.  This gives a total of 54 hours spent on the four projects.

8 0
3 years ago
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