please use excel to figure this out

Intro You've estimated the following cash flows (in $) for two projects: Part 1 What is the IRR for project A? 3+ decimals The required return is 7% for both projects. Submit Part 2 What is the IRR for project B? 3+ decimals A 1 Year 0 3 1 4 2 5 3 4 Submit GAW N 6 B Project A -75 15 21 29 30 Project B -258 50 73 82 123 Attempt 1/10 for 10 pts. B Attempt 2/10 for 8 pts. Part 3 What is the NPV of project A? 2+ decimals Submit Part 4 What is the NPV of project B? 1+ decimals Submit Attempt 1/10 for 10 pts. Attempt 2/10 for 10 pts