Cox Engineering Performs Cement Core Tests in Its Laboratory During March, the Laboratory Performed 2,000 Core Tests

question 15

Multiple Choice

Cox Engineering performs cement core tests in its laboratory. The following standards have been set for each core test performed: $\begin{array}{lcc}&\text { standard Hours or Quantity} &\text {standard price or Rate }\\\text { Direct materials } & 3.0 \text { pounds } & £ 0.75 \text { per pound } \\\text { Direct labour } & 0.4 \text { hours } & £ 12.00 \text { per hour } \\\text { Variable manufacturing overhead } &0.4 \text { hours } & £ 9.00 \text { per hour }\end{array}$

During March, the laboratory performed 2,000 core tests. On March 1 no direct materials (sand) were on hand. Variable manufacturing overhead is assigned to core tests on the basis of direct labour hours. The following events occurred during March:
8,600 pounds of sand were purchased at a cost of £7,310.
7,200 pounds of sand were used for core tests.
840 actual direct labour hours were worked at a cost of £8,610.
Actual variable manufacturing overhead incurred was £3,200.
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The materials price variance for March is

• A)£860 unfavourable.
• B)£860 favourable.
• C)£281 unfavourable.
• D)£281 favourable.

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Definitions:

Rate of Return on Investment

A measure of the profitability of an investment, calculated as a percentage of the original investment.

Net Present Value

A financial metric used to evaluate the profitability of an investment by calculating the difference between the present value of cash inflows and outflows over a period of time.

Compound Interest

Interest earnings calculated on the base principal along with any interest that has previously accumulated from past periods on that principal.

Straight-Line Depreciation

A method of calculating the depreciation of an asset which spreads the cost evenly across the useful life of the asset.