help please

3. Garage Inc., has identified the following two mutually exclusive projects (mutually exclusive means it can only choose one, not both): Year 0 1 2 3 4 Cash flow (A) $29,000 14,400 12,300 9,200 5,100 Cash flow (B) -$29,000 4,300 9,800 15,200 16,800 a. What is the IRR for each project? Should the firm pick the project with the higher IRR? b. If the required return in 11%, what is the NPV for each project