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