Rent-to-Own Equipment Co. is considering a new inventory system that will cost $450,000. The system is expected to generate positive cash flows over the next four years in the amounts of $250,000 in year one, $125,000 in year two, $110,000 in year three, and $80,000 in year four. Rent-to-Own's required rate of return is 10%. What is the net present value of this project?