Apple is considering a project with a life of 4 years that will produce net sales of $57,000. During the life of the project, net working capital will decrease by $20,000. The project requires the purchase of equipment at an initial cost of $104,000 that will be depreciated straight-line to a zero book value over the life of the project. The equipment will be salvaged at the end of the project for $22,000. What is the net present value of this project given a required return of 16 percent and a tax rate of 21%? Show your work