Conrad Mining Inc. uses a cost of capital of 11 percent to evaluate average risk project and it adds or subtracts 3 percent to adjust for risk. Currently the firm has two mutually exclusive projects under consideration. Both the projects have an initial cost of $100,000 and will last four years. Project A, riskier than average, will produce an annual cash flow of $72,164 at the end of each year. Project B, of less than average risk will produce cash flows of $145,340 at the end of Years 3 and 4 only. Which investment should firm chose and why?