For the following set of cash flows, Year 0 1 Cash Flow -$ 6,100 3,300 4,800 3,400 WN a. What is the NPV at a discount rate of 0 percent? NPV b. What is the NPV at a discount rate of 13 percent? NPV c. What is the NPV at a discount rate of 19 percent? NPV d. What is the NPV at a discount rate of 24 percent? NPV