Consider the following two mutually exclusive projects: Year Cash Flow (A) Cash Flow (B) 0 –$ 420,000 –$ 37,500 1 46,500 19,900 2 59,500 13,800 3 76,500 16,100 4 535,000 12,900 The required return on these investments is 10 percent. a. What is the payback period for each project? (Do not round intermediate calculations and round your answers to 2 decimal places, e.g., 32.16.) Payback period Project A years Project B years b. What is the NPV for each project? (Do not round intermediate calculations and round your answers to 2 decimal places, e.g., 32.16.) Net present value Project A $ Project B $ c. What is the IRR for each project? (Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.) Internal rate of return Project A $ Project B $ d. What is the profitability index for each project? (Do not round intermediate calculations and round your answers to 3 decimal places, e.g., 32.161.) Profitability index Project A Project B