In: Accounting
Montel Firm is considering whether to outsource the manufacture
of subcomponent JXY. The accounting department provides the
following cost information for manufacturing 10,300 units of
subcomponent JXY per month.
| Direct materials costs | $39,800 | ||
| Direct labour costs | 29,300 | ||
| Variable overhead | 17,100 | ||
| Fixed overhead* | 13,700 | 
*Fixed overhead includes $5,600 supervisor’s salary.
International Firm agrees to supply Montel with 10,300 units per
month for a total cost of $117,700. If subcomponent JXY is
outsourced, Montel will be able to increase the production and
sales of its final product by 1,080 units per month; the product is
sold for $100 per unit and its average variable costs per unit are
$80. The supervisor’s salary will be eliminated if subcomponent JXY
is outsourced.
Prepare an incremental analysis for subcomponent JXY. (If an amount reduces the incremental costs then enter with a negative sign preceding the number e.g. -15,000 or parenthesis, e.g. (15,000).)
| Make | Buy | Incremental Costs (Savings)  | 
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| 
 Cost of good soldDirect labourOpportunity costManufacturing overheadFixed overheadTotal annual costPurchase priceDirect materialsVariable overhead  | 
$ | $ | $ | ||||
| 
 Fixed overheadCost of good soldDirect materialsTotal annual costOpportunity costPurchase priceVariable overheadManufacturing overheadDirect labour  | 
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| 
 Opportunity costCost of good soldDirect labourManufacturing overheadDirect materialsVariable overheadFixed overheadPurchase priceTotal annual cost  | 
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| 
 Manufacturing overheadOpportunity costDirect materialsFixed overheadTotal annual costDirect labourVariable overheadPurchase priceCost of good sold  | 
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| 
 Direct labourVariable overheadFixed overheadManufacturing overheadOpportunity costDirect materialsCost of good soldPurchase priceTotal annual cost  | 
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| 
 Direct materialsOpportunity costTotal annual costCost of good soldVariable overheadDirect labourManufacturing overheadPurchase priceFixed overhead  | 
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| 
 Manufacturing overheadFixed overheadPurchase priceOpportunity costTotal annual costCost of good soldDirect materialsDirect labourVariable overhead  | 
$ | $ | $ | 
  |