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. What is the net present value of this investment, discounted at an annual rate of $10\%?($Note: The present value of $$1$ due in eight years, discounted at $10\%,$ is $0\mathrm{.}467$ ; present value of $$1$ received annually for eight years, discounted at $10\%$ is $5\mathrm{.}335.)$

$$329,440$

$$9,340$

$$320,100$

$$9,440$