joanette, incorporated, is considering the purchase of a machine that would cost $240,000 and would last for 5 years, at the end of which, the machine would have a salvage value of $48,000. the machine would reduce labor and other costs by $62,000 per year. additional working capital of $7,000 would be needed immediately, all of which would be recovered at the end of 5 years. the company requires a minimum pretax return of 17% on all investment projects. (ignore income taxes.) click here to view exhibit 14b-1 and exhibit 14b-2, to determine the appropriate discount factor(s) using the tables provided. required: determine the net present value of the project.