Can someone help? I got stuck on this question.

Consider the following two mutually exclusive projects: Year 0 1 WN - Cash Flow (A) $246,735 25,400 58,000 50,000 416,000 Cash Flow (B) -$14.983 4,655 8,493 13,008 8.939 4 Whichever project you choose, if any, you require a 6 percent return on your investment. a. What is the payback period for Project A? 3.27 years b. What is the payback period for Project B? 2.14 year c. What is the discounted payback period for Project A? d. What is the discounted payback period for Project B? e. What is the NPV for Project A? f. What is the NPV for Project B? g. What is the IRR for Project A? h. What is the IRR for Project B? i. What is the profitability index for Project A? j. What is the profitability index for Project B