Consider the following two mutually exclusive projects: Year Cash Flow (A) Cash Flow (B) 0 $ 421,000 $ 38,000 1 46,000 20,000 2 60,000 13,700 3 77,000 16,600 4 536,000 13,400 The required return on these investments is 12 percent. What is the payback period for each project? Note: Do not round intermediate calculations and round your answers to 2 decimal places, e.g., 32.16. What is the NPV for each project? Note: Do not round intermediate calculations and round your answers to 2 decimal places, e.g., 32.16. What is the IRR for each project? Note: Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16. What is the profitability index for each project