ACC 406 Lecture Notes - Lecture 6: Management Accounting, Cost Driver, Root Mean Square
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1. | Which costing method assumes all products use overhead costs in the same proportions? | ||||||||
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2. | Which of the following would usually not be used in computing plantwide overhead rates? | ||||||||
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3. | With ABC, overhead costs should be traced to which cost object first? | ||||||||
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AirComp Corporation produces component parts for the aircraftindustry. In prior years, they maintained a job-costing systemconsisting of direct materials and direct labor cost andmanufacturing overhead. Manufacturing overhead was allocated toproduction jobs using a single-indirect cost allocation rate, whichwas $115 per direct labor hour.
For 20x1, the Company decided to change the method of allocatingmanufacturing overhead to production jobs from the single-indirectcost allocation approach to the activity-based costing (âABCâ)indirect cost allocation approach. For purposes of developing theABC allocation rates, AirCompâs cost accounting team prepared thefollowing analysis:
Activity | Cost Driver | Allocation Rate |
Material handling | Parts handled | $0.40 |
Lathe work | No. of lathe turns | $0.20 |
Milling | Machine hours | $20.00 |
Grinding | No. of parts ground | $0.80 |
Testing | No. of units tested | $15.00 |
For 20x1, AirCompâs cost accountant team prepared the followinganalysis of the direct costs and indirect cost activities for Job100 and Job 200, the only production jobs in process for theperiod:
Job 100 | Job 200 | |
Direct materials cost | $9,700 | $59,900 |
Direct labor cost | $750 | $11,250 |
No. of direct manufacturing labor hours | 25 | 375 |
No. of parts ground | 500 | 2,000 |
No. of lathe turns | 20,000 | 60,000 |
Machine hours | 150 | 1,050 |
No. of units produced during period (all are tested) | 10 | 200 |
Required
1.For each job, determine total per unit cost using direct laborhours to allocate manufacturing overhead to each job.
2.For each job, determine total per unit cost using anactivity-based costing approach to allocate manufacturing overheadcost to job.
3.Compare the per unit cost figures for each job computed instep a. and step b., above. Why do the new ABC approach differ fromthe single-indirect cost allocation systems differ in the amount ofthe per unit indirect cost allocated to each job (i.e. what was theimplications of the cost allocation method change on the amount ofper unit cost allocated to each job and what factors caused theobserved changes).
4.How might AirComp Corporation use the information from ABCallocation approach to better manage its business, i.e. what arethe advantages of using an activity-based costing approach?
Deemer Corporation has an activity-based costing system withthree activity cost pools--Processing, Supervising, and Other. Inthe first stage allocations, costs in the two overhead accounts,equipment expense and indirect labor, are allocated to the threeactivity cost pools based on resource consumption. Data used in thefirst stage allocations follow:
Overhead costs: | |||||||
Equipment expense | $ | 107,000 | |||||
Indirect labor | $ | 12,300 | |||||
Distribution of Resource Consumption Across Activity CostPools:
Activity Cost Pools | |||||
Processing | Supervising | Other | |||
Equipment expense | 0.30 | 0.50 | 0.20 | ||
Indirect labor | 0.30 | 0.40 | 0.30 | ||
Processing costs are assigned to products using machine-hours(MHs) and Supervising costs are assigned to products using thenumber of batches. The costs in the Other activity cost pool arenot assigned to products. Activity data for the company's twoproducts follow:
Activity:
MHs(Processing) | Batches(Supervising) | |
Product F6 | 13,600 | 780 |
Product X0 | 1,670 | 590 |
Total | 15,270 | 1,370 |
What is the overhead cost assigned to Product X0 underactivity-based costing?
Multiple Choice
$3,907.80
$29,065.00
$25,157.60
$39,043.00