Making an investment decision. A company is considering buying a machine for $2 million that would reduce its annual net operating costs by $275,000 over the next ten years. The machine would be worthless after ten years. The company applies a discount rate of 7 percent for this type of investment. 2.3 a. Should the company purchase the machine? b. What is your answer to question (a) if the annual reduction in costs rises by 7 percent per year? What is the minimum reduction in annual net operating costs that would justify the investment? What is the highest discount rate that would justify the investment? c. d