Question

In: Accounting

“In my opinion, we ought to stop making our own drums and accept that outside supplier’s...

“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 $20 per drum, we would be paying $5.25 less than it costs us to manufacture the drums in our own plant. Since we use 95,000 drums a year, that would be an annual cost savings of $498,750.” Antilles Refining’s current cost to manufacture one drum is given below (based on 95,000 drums per year):

Direct materials $ 10.60
Direct labor 6.50
Variable overhead 1.50
Fixed overhead ($3.90 general
company overhead, $1.55 depreciation,
and, $1.20 supervision)
6.65
Total cost per drum $ 25.25

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 $342,000 per year.

Alternative 2: Purchase the drums from an outside supplier at $20 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 30%. The old equipment has no resale value. Supervision cost ($114,000 per year) and direct materials cost per drum would not be affected by the new equipment. The new equipment’s capacity would be 150,000 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 95,000 drums are needed each year, what is the financial advantage (disadvantage) of buying the drums from an outside supplier?

2. Assuming that 120,000 drums are needed each year, what is the financial advantage (disadvantage) of buying the drums from an outside supplier?

3. Assuming that 150,000 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.)

Production needs Financial advantage(disadvantage) of buying the drums?

1.95,000 drums ?

2.120,000 drums ?

3. 150,000 drums ?

Solutions

Expert Solution

Solution

Antilles Refining

  1. Assuming that 95,000 drums are needed each year, determination of the financial advantage (disadvantage) of buying the drums from an outside supplier:

Differential Cost per Drum

Total Differential Cost, 95,000 drums

Make

Buy

Make

Buy

Outside Supplier's Price

$20

$1,900,000

Direct materials

$10.60

$1,007,000

Direct labor

4.55 (6.50x70%)

$432,250

Variable OH

1.05 ($1.50 x 70%)

$99,750

Relevant Fixed OH

$1.20

$114,000

Equipment Rental

3.60 (342,000/95,000)

$342,000

Total cost

$21.00

$20

$1,995,000

$1,900,000

Financial advantage of buying drums from an outsidde supplier

$20.60 - $20

$1.00 per drum

$95,000

Notes:

The use of new equipment would reduce direct labor and variable overhead by 30%, hence those costs are taken at 70%.

The equipment rental per drum = $342,000/95,000 drums = $3.60

The depreciation and general overhead costs are irrelevant for the following reasons,

The general overhead of $3.90 per drum would remain the same regardless of the company makes or buys the drums.

The depreciation of $1.55 represents sunk cost, also the machine is no more in working condition, hence irrelevant to the make or buy decision.

The supervision cost of $1.20 remains fixed at the normal volume of 95,000 drums. Hence, annual supervision cost = $1.20 x 95,000 = $114,000.

  1. Assuming that 120,000 drums are needed each year, determination of the financial advantage (disadvantage) of buying the drums:

Differential Cost per Drum

Total Differential Cost, 120,000 drums

Make

Buy

Make

Buy

Outside Supplier's Price

$20

$2,400,000

Direct materials

$10.60

$1,272,000

Direct labor

4.55 (6.5x70%)

$546,000

Variable OH

1.05 ($1.50 x 70%)

$126,000

Relevant Fixed OH

0.95 ($114,000/120,000)

$114,000

Equipment Rental

2.85 ($342,000/120,000)

$342,000

Total cost

$20.00

$20

$2,400,000

$2,400,000

Financial advantage of buying drums from an outside supplier

$20 - $20

0

$0

The company would be indifferent between the two alternatives if 120,000 drums are needed each year.

  1. Assuming that 150,000 drums are needed each year, determination of the financial advantage (disadvantage) of buying the drums:

Differential Cost per Drum

Total Differential Cost, 150,000 drums

Make

Buy

Make

Buy

Outside Supplier's Price

$20

$3,000,000

Direct materials

$10.60

$1,590,000

Direct labor

4.55 (6.50 x70%)

$682,500

Variable OH

1.05 ($1.50 x 70%)

$157,500

Relevant Fixed OH

0.76 ($114,000/150,000)

$114,000

Equipment Rental

2.28 (342,000/150,000)

$342,000

Total cost

$19.24

$20

$2,886,000

$3,000,000

Financial disadvantage of buying drums from an outside supplier

$19.24 - $20

-$0.76

-$114,000

The company should rent the equipment and make the drums, if the annual demand is 150,000 drums.

The unit costs of both equipment rental and supervision would decrease as the annual requirement of drums increases. Hence, at 150,000 drums the company would have financial disadvantage in BUYING the drums from an outside supplier.


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