Please Help! & Show work Please..

A project that costs $2, 900 to install will provide annual cash flows of $640 for the next 6 years. The firm accepts projects with payback periods of less than 5 years. a. What is this project's payback period? a. Will the project be accepted? Yes No b. What is project NPV if the discount rate is 4%? b. Should this project be pursued? Yes No b. What is project NPV if the discount rate is 10%? b. Should this project be pursued? Yes No b. Will the firm's decision change as the discount rate changes? No Yes