A company is considering investing in a new machine that requires an initial investment of $47,947. The machine will generate annual net cash flows of $21,000 for the next three years. The company uses an 8% discount rate. Compute the net present value of this investment. ( PV of $1, FV of $1, PVA of $1, and FVA of \$1) (Use appropriate factor(s) from the tables provided. Round your present value factor to 4 decimals.)