A company is considering the purchase of new equipment for $63,000. The projected annual net cash flows are $25,600. The machine has a useful life of 3 years and no salvage value. Management of the company requires a 10% return on investment. The present value of an annuity of $1 for various periods follows: Period 1 2 3 Present value of an annuity of $1 at 10% 0.9091 1.7355 2.4869 What is the net present value of this machine assuming all cash flows occur at year-end? a. $21,000 b. $3,600 c. $ $665 d. $24,600 e. $61.178