urgent please help!!

A project that will provide annual cash flows of $5,000 a year for five years and costs $18,000 today. Show all work: a) At a required rate of return of 10% what is the Net Present Value (NPV) of the project? b) At a required rate of return of 15% what is the Net Present Value (NPV) of the project? c) At what discount rate would you be indifferent between accepting the project and rejecting the project? d) At a required rate of return of 10% what is the Profit Index of the project? e) At a required rate of return of 15% what is the Profit Index of the project