Question

“In my opinion, we ought to stop making our own drums and accept that outside supplier’s offer,” said Wim Niewindt, managing director of Antilles Refining, N.V., of Aruba. “At a price of $21 per drum, we would be paying $5.10 less than it costs us to manufacture the drums in our own plant. Since we use 65,000 drums a year, that would be an annual cost savings of $331,500.” Antilles Refining’s current cost to manufacture one drum is given below (based on 65,000 drums per year): Direct materials $ 12.00 Direct labor 6.00 Variable overhead 2.00 Fixed overhead ($3.30 general company overhead, $2.00 depreciation, and, $0.80 supervision) 6.10 Total cost per drum $ 26.10 A decision about whether to make or buy the drums is especially important at this time because the equipment being used to make the drums is completely worn out and must be replaced. The choices facing the company are: Alternative 1: Rent new equipment and continue to make the drums. The equipment would be rented for $156,000 per year. Alternative 2: Purchase the drums from an outside supplier at $21 per drum. The new equipment would be more efficient than the equipment that Antilles Refining has been using and, according to the manufacturer, would reduce direct labor and variable overhead costs by 20%. The old equipment has no resale value. Supervision cost ($52,000 per year) and direct materials cost per drum would not be affected by the new equipment. The new equipment’s capacity would be 100,000 drums per year. The company’s total general company overhead would be unaffected by this decision. (Round all intermediate calculations to 2 decimal places.) Required: 1. Assuming that 65,000 drums are needed each year, what is the financial advantage (disadvantage) of buying the drums from an outside supplier? 2. Assuming that 80,000 drums are needed each year, what is the financial advantage (disadvantage) of buying the drums from an outside supplier? 3. Assuming that 100,000 drums are needed each year, what is the financial advantage (disadvantage) of buying the drums from an outside supplier? (For all requirements, enter any "disadvantages" as a negative value. Do not round intermediate calculations.)

Answer 1

ANSWER:

Variable cost of manufacturing the drum is as follows:

Direct Materials	12
Direct labor 6*80%	4.8
Variable Overhead 2*80%	1.60
Total Variable Cost	$18.4

General Company overheads are irrelevant for this decision since they will not be affected by this decision.

1.Financial advantage (disadvantage) of buying the drums from an outside supplier = (18.4*65,000+52,000+156,000) – 21*65,000

= $39,000

Hence, advantage of $39,000

2.Financial advantage (disadvantage) of buying the drums from an outside supplier = (18.4*80,000+52,000+156,000) – 21*80,000

= $0

3. Financial advantage (disadvantage) of buying the drums from an outside supplier = (18.4*100,000+52,000+156,000) – 21*100,000

= $(52,000)

i.e. disadvantage

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