Pablo Company is considering buying a machine that will yield income of $2,000 and net cash flow of $17,100 per year for three years. The machine costs $52,800 and has an estimated $7,500 salvage value. Pablo requires a 5% return on its investments. Compute the net present value of this investment. (PV of \$1, EV of \$1, PVA of \$1, and FVA of \$1) (Use appropriate factor(s) from the tables provided. Negative amounts should be indicated by a minus sign. Round your present value factor to 4 decimals.)