Cash Payback Period, Net Present Value Analysis, and Qualitative Considerations $71,000 per year for 10 years. Present Value of an Annuity of $1 at Compound Interest a. What is the payback period on this project? years b. What is the net present value, assuming a 10% rate of return? Use the table provided above. Round to the nearest whole dollar. Net present value c. What else should the manager consider in the analysis