The management of Trylon Farms is considering the purchase of equipment costing $320,000. The equipment has a useful life of eight years, with $20,000 residual value. The use of this equipment will produce positive annual cash flow of $60,000 for eight years, as well as $20,000 from sale of the equipment at the end of the eighth year. Compute the net present value of this investment, discounted at an annual rate of 10%. (Present value of $1 due in eight years, discounted at 10%, is 0.467; present value of $1 received annually for eight years, discounted at 10% is 5.335.)