1.

The cost of materials for a product are as follows:

Material A: $3,000

Material B: $5,750

Material C: $4,250

Material D: $7,000

If the material proportions were displayed on a pie chart, how many degrees would material B represent?

Select one alternative:

• 103.5 degrees.
• 256.5 degrees.
• 145.3 degrees.
• 27.9 degrees.

2.

The correlation coefficient (r) for measuring the connection between 2 variables (x and y) has been calculated as 0.7.

How much of the variation the dependent variable (y) is explained by the variation in the independent variable (in x)?

Select one alternative:

• 9%.
• 70%.
• 30%.
• 49%.

3.

The overhead absorption rate for product P1 is $5 per labour hour. Each unit of P1 requires 3 labour hours. Inventories of product P1 last period were:

Opening Inventory2,300 units

Closing Inventory2,200 units

Comparedwith the marginal costing profit for the period, the absorption costing profit for product P1 will be which of the following?

Select one alternative:

• $1,500 lower
• $500 lower
• $1,500 higher
• $500 higher

4.

The price index for a commodity in the current year is 128 (base year = 100). The current price for the commodity is $40.00 per kg.

What was the price per kg in the base year?

Select one alternative:

• $31.25
• $51.20
• $28.80
• $40.00

5.

An investor is to receive an annuity of $2,000 for 5 years commencing at the end of year 1. It has a present value of $7,582.

What is the rate of interest (to the nearest whole percent)?

Select one alternative:

• 4%
• 10%
• 8%
• 6%

i would like to know answer and reason of the answer.