Delta, Inc. is considering the investment of $75,000 in a new machine. The machine will generate cash flow of $16,800 per year for each year of its seven-year life and will have a salvage value of $12,000 at the end of its life. Delta Inc.'s cost of capital is 14% percent. (a.) Calculate the net present value of the proposed investment. Ignore income taxes, and round all answers to the nearest $1. (b.) What will the internal rate of return on this investment be relative to the cost of capital? Explain your answer.