Rundle Chemical Company makes a variety of cosmetic products, one of which is a skin cream designed to reduce the signs of aging. Rundle produces a relatively small amount (15,000 units) of the cream and is considering the purchase of the product from an outside supplier for $5.40 each. If Rundle purchases from the outside supplier, it would continue to sell and distribute the cream under its own brand name. Rundles accountant constructed the following profitability analysis:

Revenue (15,000 units $13.50)	$	202,500
Unit-level materials costs (15,000 units $1.40)		(21,000	)
Unit-level labor costs (15,000 units $0.80)		(12,000	)
Unit-level overhead costs (15,000 $0.20)		(3,000	)
Unit-level selling expenses (15,000 $0.60)		(9,000	)
Contribution margin		157,500
Skin cream production supervisors salary		(53,000	)
Allocated portion of facility-level costs		(13,400	)
Product-level advertising cost		(48,000	)
Contribution to companywide income	$	43,100

Required

Identify the cost items relevant to the make-or-outsource decision.

What is the avoidable cost per unit if the outsourcing decision is taken?

Suppose that Rundle is able to increase sales by 12,000 units (sales will increase to 27,000 units). Calculate the total avoidable costs.