Greystone, Inc., has the following mutually exclusive projects: Year Project A Project B 0 $ 15,000 $ 10,300 1 9,500 5,000 2 8,100 4,500 3 2,100 6,900 a. Calculate the payback period for each project. (Do not round intermediate calculations and round your answers to 2 decimal places, e.g., 32.16.) b. Based on the payback period, which project should the company accept? c. If the appropriate discount rate is 14 percent,