Zee-Drive Ltd. is a computer manufacturer. One of the items they make is monitors. Zee-Drive has the opportunity to purchase 15,000 monitors from an outside supplier for $207 per unit. One of the company's cost-accounting interns prepared the following schedule of Zee-Drive's cost to produce 15,000 monitors: Total cost of producing 15,000 monitors Unit cost Direct materials $ 1,770,000 $ 118 Direct labor 1,005,000 67 Variable factory overhead 540,000 36 Fixed manufacturing overhead 420,000 28 Fix