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1. Ernest, Inc. has identified the following overhead costs and cost drivers for next year: |
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Overhead Item |
Expected Cost |
Cost Driver |
Quantity |
Activity rate |
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Setup costs |
$320,000 |
Number of setups |
4,000 |
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Ordering costs |
120,000 |
Number of orders |
15,000 |
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Maintenance |
480,000 |
Machine hours |
125,000 |
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Power |
40,000 |
Kilowatt hours |
200,000 |
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Total overhead |
$960,000 |
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The following are two of the jobs completed during the year: |
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Job 320 |
Job 321 |
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Direct materials |
$ 19,200 |
$ 24,000 |
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Overhead costs |
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Direct labor |
$ 24,000 |
$ 30,000 |
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Job 320 |
Job 321 |
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Setup costs |
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Units completed |
1,600 |
2,000 |
Ordering costs |
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Maintenance |
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Number of setups |
12 |
10 |
Power |
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Number of orders |
20 |
30 |
Total |
- |
- |
Machine hours |
400 |
600 |
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Kilowatt hours |
280 |
350 |
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Required: |
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1. Complete the schedule above to compute the pool rates for the different activities. |
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2a. Compute the total job costs assigned to the each of the two jobs using the information provided. Assign overhead using the pool rates calculated in "a" above. |
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Job 320 |
Job 321 |
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Direct materials |
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Direct labor |
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Overhead costs |
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Total costs assigned |
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2b. Compute the unit cost for the two jobs. |
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Total Costs Assigned |
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- |
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Number of Units |
1,600 |
2,000 |
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Cost Per Unit |
$ - |
$ - |
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3. Assume instead of using ABC costing, the company used a traditional costing method that assigns overhead using a predetermined rate based on machine hours. Based on the original numbers, total overhead for the year is $960,000 and the total estimated machine hours are 125,000. |
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a. Compute the predetermined rate using the information in item 3. |
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960,000.00 |
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125,000.00 |
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b. Compute the total cost assigned to jobs 320 and 321 by substituting the traditional overhead for the ABC overhead that you computed in 2 above |
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Overhead assigned |
Hours |
Rate |
Total |
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Job 320 |
400 |
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Job 321 |
600 |
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Job 320 |
Job 321 |
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Direct materials |
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Direct labor |
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Overhead costs |
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Total costs assigned |
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- |
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