Finance please help :) answer A.B.C, AND D all questions

(Payback period, net present value, profitability index, and internal rate of return calculations) You are considering a project with an initial cash outlay of $75,000 and expectec cash flows of $21,750 at the end of each year for six years. The discount rate for this project is 9.9 percent. a. What are the project's payback and discounted payback periods? b. What is the project's NPV? c. What is the project's PI? d. What is the project's IRR? a. The payback period of the project is years. (Round to two decimal places.)