Posted: August 8th, 2015
Holly Manufacturing Case | |||||||
Holly Manufacturing Company produces two cello models. One is a standard acoustic cello that sells for $600 and is constructed | |||||||
from medium-grade materials. The other model is a custom-made amplified cello with pearl inlays and a body constructed from special woods. | |||||||
The custom cello sells for $900. Both cellos require 10 hours of direct labor to produce, but the custom cello is manufactured by more | |||||||
experienced workers who are paid at a higher rate. | |||||||
Most of Holly’s sales come from the standard cello, but sales of the custom model have been growing. Following is the company’s sales, | |||||||
production, and cost information for last year: | |||||||
Cello | Standard | Custom | |||||
Sales and production volume in units | 900 | 100 | |||||
Unit Selling Price | $600.00 | $900.00 | |||||
Unit costs: | |||||||
Direct materials | $150.00 | $375.00 | |||||
Direct labor | $180.00 | $240.00 | |||||
Manufacturing overhead* | $135.00 | $135.00 | |||||
Total unit costs | $465.00 | $750.00 | |||||
Unit Gross Profit | $135.00 | $150.00 | |||||
Direct Labor Hours | 10.00 | 10.00 | |||||
Direct Labor Rate Per Hour | $18.00 | $24.00 | |||||
*Manufacturing overhead costs: | |||||||
Building depreciation | $ 40,000 | ||||||
Maintenance | 15,000.00 | ||||||
Purchasing | 20,000.00 | ||||||
Inspection | 12,000.00 | ||||||
Indirect materials | 15,000.00 | ||||||
Supervision | 30,000.00 | ||||||
Supplies | 3,000.00 | ||||||
Total manufacturing overhead costs | $135,000.00 | ||||||
These manufacturing overhead costs are fixed in nature: they do not vary with the volume of manufacturing activity. | |||||||
The company allocates overhead costs using the traditional method. Its activity base is direct labor hours. The predetermined overhead rate, | |||||||
based on 10,000 direct labor hours, is $13.50 ($135,000 ÷ 10,000 direct labor hours). | |||||||
Johann Brahms, president of Holly, is concerned that the traditional cost-allocation system the company is using may not be generating accurate | |||||||
information and that the selling price of the custom cello may not be covering its true cost. | |||||||
Questions To Be Answered | |||||||
1. The cost-allocation system Holly has been using allocates 90% of overhead costs to the | |||||||
standard cello because 90% of direct labor hours were spent on the standard model. | |||||||
How much overhead was allocated to each of the two models last year? | |||||||
Discuss why this might not be an accurate way to assign overhead costs to products. | |||||||
2. How would the use of more than one cost pool improve Holly’s cost allocation? | |||||||
Use the data below for the questions which follow. | |||||||
Holly’s controller developed the following data for use in activity-based costing: | |||||||
Manufacturing | Standard | Custom | |||||
Overhead Cost | Amount | Cost Driver | Cello | Cello | |||
Building depreciation | $40,000 | Square footage | 3,000 | 1,000 | |||
Maintenance | $15,000 | Direct labor hours | 9,000 | 1,000 | |||
Purchasing | $20,000 | # of purchase orders | 1,500 | 500 | |||
Inspection | $12,000 | # of inspections | 400 | 600 | |||
Indirect materials | $15,000 | # of units manufactured | 900 | 100 | |||
Supervision | $30,000 | # of inspections | 400 | 600 | |||
Supplies | $3,000 | # of units manufactured | 900 | 100 | |||
Total | $135,000 | ||||||
3. Use activity-based costing to allocate the costs of overhead per unit and in total to each model of cello. | |||||||
4. Calculate the cost of a custom cello using activity-based costing. | |||||||
5. Why is the cost different from the cost calculated using the traditional allocation method? | |||||||
6. At the current selling price, is the company covering its true cost of production? Briefly discuss | |||||||
7. What should Holly Manufacturing do about the situation? | |||||||
8. What should Holly Manufacturing do if the quantity of custom cellos sold at the new price falls to 50 per year? | |||||||
9. What should Holly Manufacturing do about the situation if the price of the custom cello cannot exceed $900? | |||||||
10. At a selling price of $1,000 each, what is the breakeven unit volume for the custom cello? | |||||||
11. What are the lessons learned from this case? |
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