Bonneville Company is producing a subassembly used in the production of a product. The costs incurred for the subassembly follow: Per Unit Direct materials $6.00 Direct labor 4.00 Variable factory overhead 1.00 Fixed supervisor salary 3.00 Depreciation expense on factory equipment 2.00 General fixed factory overhead allocated 5.00 Total costs $21.00 The above per unit costs are based on 8,000 units. An outside supplier will provide 8,000 subassemblies for $19 per unit. The supervisor will be terminated if the subassemblies are not produced in house. The idle factory will be used to manufacture another product with a contribution margin of $60,000. Requirements: 1. What should Bonneville do? Explain your decision in detail. Show all calculations