TechSystems manufactures an optical switch that it uses in its final product. TechSystems incurred the following manufacturing costs when it produced 72,000 units last year: Another company has offered to sell TechSystems the switch for $12.50 per unit. If TechSystems buys the switch from the outside supplier, none of the fixed costs are avoidable. The company prepared an outsourcing decision analysis to show the cost per unit of making the switches versus the cost per unit of buying (outsourcing) the switches. TechSystems needs 78,000 optical switches next year (assume same relevant range). By outsourcing them. TechSystems can use its idle facilities to manufacture another product that will contribute $150,000 to operating income, but none of the fixed costs will be avoidable. Should TechSystems make or buy the switches? Show your analysis