A project that costs $2,000 to install will provide annual cash flows of $510 for the next 5 years. The firm accepts projects with payback periods of less than 4 years.

a. What is this project's payback period? (Round your answer to 3 decimal places.) c-1. What is project NPV if the discount rate is 3%? (Do not round intermediate calculations. Round your answer to 2 decimal places.) d-1. What is project NPV if the discount rate is 10%? (Negative amount should be indicated by a minus sign. Do not round intermediate calculations. Round your answer to 2 decimal places.)