E26-6 Refer to Exercise 26-5, Millenia needs 90.000 electronic controls. By outsourcing them, Millenia can use its idle facilities to manufacture another product that will contribute $150,000 to operating income. Identify the incremental costs that Millenia will incur to acquire 90.000 electronic controls under three alternative plans. Which plan makes the best use of Millenia's facilities? Support your answer.