Koch Chemical Company makes a variety of cosmetic products, one of which is a skin cream designed to reduce the signs of aging. Koch produces a relatively small amount (18,000 units) of the cream and is considering the purchase of the product from an outside supplier for $5.20 each. If Koch purchases from the outside supplier, it would continue to sell and distribute the cream under its own brand name. Koch accountant constructed the following profitability analysis. | | | Revenue (18,000 units $13.0) | $ | 234,000 | | Unit-level materials costs (18,000 units $1.30) | | (23,400 | ) | Unit-level labor costs (18,000 units $0.50) | | (9,000 | ) | Unit-level overhead costs (18,000 $0.60) | | (10,800 | ) | Unit-level selling expenses (18,000 $0.30) | | (5,400 | ) | | | | | Contribution margin | | 185,400 | | Skin cream production supervisors salary | | (64,000 | ) | Allocated portion of facility-level costs | | (12,800 | ) | Product-level advertising cost | | (45,000 | ) | | | | | Contribution to companywide income | $ | 63,600 | | | | | | | a. | Identify the cost items relevant to the make-or-outsource decision. | b-1. | What is the avoidable cost per unit if the outsourcing decision is taken? (Round your answer to 2 decimal places.) | b-2. | Should Koch continue to make the product or buy it from the supplier? | | | | | c-1. | Suppose that Koch is able to increase sales by 10,000 units (sales will increase to 28,000 units). Calculate the total avoidable costs. | c-2. | At this level of production, should Koch make or buy the cream? | | | | | | |