Bronson Company manufactures a variety of ballpoint pens. The company has just r
ID: 2480395 • Letter: B
Question
Bronson Company manufactures a variety of ballpoint pens. The company has just received an offer from an outside supplier to provide the ink cartridge for the company’s Zippo pen line, at a price of $0.60 per dozen cartridges. The company is interested in this offer because its own production of cartridges is at capacity.
Bronson Company estimates that if the supplier’s offer were accepted, the direct labor and variable manufacturing overhead costs of the Zippo pen line would be reduced by 10% and the direct materials cost would be reduced by 20%.
Under present operations, Bronson Company manufactures all of its own pens from start to finish. The Zippo pens are sold through wholesalers at $5 per box. Each box contains one dozen pens. Fixed manufacturing overhead costs charged to the Zippo pen line total $48,000 each year. (The same equipment and facilities are used to produce several pen lines.) The present cost of producing one dozen Zippo pens (one box) is given below:
Calculate the total variable cost of producing one box of Zippo pens? (Do not round intermediate calculations. Round your answer to 2 decimal places. Omit the "$" sign in your response.)
Calculate the total variable cost of purchasing one box of Zippo pens? (Do not round intermediate calculations. Round your answer to 2 decimal places. Omit the "$" sign in your response.)
What is the maximum price that Bronson Company should be willing to pay the outside supplier per dozen cartridges? (Do not round intermediate calculations. Round your answer to 2 decimal places. Omit the "$" sign in your response.)
Due to the bankruptcy of a competitor, Bronson Company expects to sell 170,000 boxes of Zippo pens next year. As previously stated, the company presently has enough capacity to produce the cartridges for only 120,000 boxes of Zippo pens annually. By incurring $36,000 in added fixed cost each year, the company could expand its production of cartridges to satisfy the anticipated demand for Zippo pens. The variable cost per unit to produce the additional cartridges would be the same as at present.
Bronson Company manufactures a variety of ballpoint pens. The company has just received an offer from an outside supplier to provide the ink cartridge for the company’s Zippo pen line, at a price of $0.60 per dozen cartridges. The company is interested in this offer because its own production of cartridges is at capacity.
Bronson Company estimates that if the supplier’s offer were accepted, the direct labor and variable manufacturing overhead costs of the Zippo pen line would be reduced by 10% and the direct materials cost would be reduced by 20%.
Under present operations, Bronson Company manufactures all of its own pens from start to finish. The Zippo pens are sold through wholesalers at $5 per box. Each box contains one dozen pens. Fixed manufacturing overhead costs charged to the Zippo pen line total $48,000 each year. (The same equipment and facilities are used to produce several pen lines.) The present cost of producing one dozen Zippo pens (one box) is given below:
Explanation / Answer
1.
The fixed overhead costs are common and will remain the same regardless of whether the cartridges are produced internally or purchased outside. Hence, they are not relevant. The variable manufacturing overhead cost per box of pens is $0.20, as shown below
Total manufacturing overhead cost per box of pens..............................
$0.60
Less fixed manufacturing overhead ($48,000 ÷ 120,000 boxes)..........
0.40
Variable manufacturing overhead cost per box......................................
$0.20
The total variable cost of producing one box of Zippo pens is:
Direct materials.....................................................................................
$1.50
Direct labor...........................................................................................
1.40
Variable manufacturing overhead..........................................................
0.20
Total variable cost per box....................................................................
$3.10
If the cartridges for the Zippo pens are purchased from the outside supplier, then the variable cost per box of Zippo pens would be:
Direct materials ($1.50 × 80%).............................................................
$1.20
Direct labor ($1.40× 90%)...................................................................
1.26
Variable manufacturing overhead ($0.20 × 90%)..................................
0.18
Purchase of cartridges...........................................................................
0.60
Total variable cost per box....................................................................
$3.24
The company should reject the outside supplier’s offer. Producing the cartridges internally costs $0.14 less per box of pens than purchasing them from the supplier
Another approach to the solution is:
Cost avoided by purchasing the cartridges:
Direct materials ($1.50 × 20%).........................................................
$0.30
Direct labor ($1.40 × 10%)...............................................................
0.14
Variable manufacturing overhead ($0.20 × 10%)..............................
0.02
Total costs avoided............................................................................
$0.46
Cost of purchasing the cartridges..........................................................
$0.60
Cost savings per box by making cartridges internally...........................
$0.14
Note that the avoidable cost of $0.46 above represents the cost of making one box of cartridges internally.
2. The company would not want to pay any more than $0.46 per box, since it can make the cartridges for this amount internally.
3. The company has three alternatives for obtaining the necessary cartridges. It can:
#1
Produce all cartridges internally.
#2
Purchase all cartridges externally.
#3
Produce the cartridges for 120,000 boxes internally and purchase the cartridges for 48,000 boxes externally.
The costs under the three alternatives are:
Alternative #1—Produce all cartridges internally:
Variable costs (170,000 boxes × $0.46 per box).....................................
$78,200
Fixed costs of adding capacity.................................................................
36,000
Total cost.................................................................................................
$114,200
Alternative #2—Purchase all cartridges externally:
Variable costs (170,000 boxes × $0.60 per box).....................................
$102,000
Alternative #3—Produce 120,000 boxes internally, and purchase 48,000 boxes externally:
Variable costs:
120,000 boxes × $0.46 per box......................................................
$55,200
48,000 boxes × $0.60 per box........................................................
28,800
Total cost..............................................................................................
$84,000
Or, in terms of total cost per box of pens, the answer would be:
Alternative #1—Produce all cartridges internally:
Variable costs (170,000 boxes × $3.10 per box).....................................
$527,000
Fixed costs of adding capacity.................................................................
36,000
Total cost.................................................................................................
$593,000
Alternative #2—Purchase all cartridges externally:
Variable costs (170,000 boxes × $3.24 per box).....................................
$550,800
Alternative #3—Produce the cartridges for 120,000 boxes internally, and purchase the cartridges for 48,000 boxes externally:
Variable costs:
120,000 boxes × $3.10 per box......................................................
$372,000
48,000 boxes × $3.24 per box........................................................
155,520
Total cost..............................................................................................
$527,520
Thus, the company should accept the outside supplier’s offer, but only for the cartridges for 48,000 boxes.
4. In addition to cost considerations, Bronson should take into account the following factors:
a) The ability of the supplier to meet required delivery schedules.
b) The quality of the cartridges purchased from the supplier.
c) Alternative uses of the capacity that is used to make the cartridges.
d) The ability of the supplier to supply cartridges if volume increases in future years.
e) The problem of alternative sources of supply if the supplier proves undependable.
Total manufacturing overhead cost per box of pens..............................
$0.60
Less fixed manufacturing overhead ($48,000 ÷ 120,000 boxes)..........
0.40
Variable manufacturing overhead cost per box......................................
$0.20
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