A project costs $100,000, will be depreciated straight-line…

A project costs $100,000, will be depreciated straight-line to zero over its 4 year life, and will require a net working capital investment of $5,000 up-front. The firm has a tax rate of 21% and a required return of 15%. The project generates an annual operating cash flow (OCF) of $40,000. What is the project’s NPV?