For the following set of cash flows, Year 0 1 2 3 Cash Flow -$ 9,600 4,700 4,600 5,700 a. What is the NPV at a discount rate of O percent? NPV b. What is the NPV at a discount rate of 9 percent? NPV c. What is the NPV at a discount rate of 21 percent? NPV Mc c. What is the NPV at a discount rate of 21 percent? NPV d. What is the NPV at a discount rate of 26 percent? NPV