please make sure the answer is correct 100%

Your division is considering two projects. Its WACC is 10%, and the projects' after-tax cash flows (in millions of dollars) would be as follows: 2 3 Project A $5 $10 $15 $20 Project B -$30 $20 $10 $8 $6 a. Calculate the projects' NPVS, IRRs, regular paybacks, and discounted paybacks. -$30 b. If the two projects are independent, which project(s) should be chosen? C. If the two projects are mutually exclusive and the WACC is 10%, which project (s) should be chosen