Case 1: Assume you are evaluating two mutually exclusive projects,the cash flows of which appear below, and that your company uses a cost of capital of 8 percent to evaluate projects such as these. Time Project A Cash Flow Project B Cash Flow 0 -$650 -$700 1 100 300 2 250 -200 3 250 550 4 200 200 5 100 80 a. Calculate the payback of Project A. b. Calculate the discounted payback of Project A. c. Calculate the IRR of Project A. d. Using the NPV method and assuming a cost of capital of 8 percent, which of these projects should be accepted