Consider the following two mutually exclusive projects: Year 0 Cash Flow (A) Cash Flow (B) 2 3 4 -$421,000 46,000 60,000 77,000 536,000 -$38,000 20,000 13,700 16,600 13,400 The required return on these investments is 12 percent. Required: (a) What is the payback period for each project? (Do not round i 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 intermedia to 2 decimal places (e.g., 32.16).) Net present value Project A Project B