A project will produce an annual operating cash flow of $55,000 for four years. During the life of the project, inventory will be lowered by $35,000 and accounts receivable will increase by $12,000. Accounts payable will decrease by $13,000. The project requires the purchase of equipment at an initial cost of $ 145,000. The equipment 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 creating a $24,000 after-tax cash flow. At the end of the project, net working capital will return to its normal level. What is the net present value of this project given a required rate of return of 15%