Pablo Company is considering buying a machine that will yield income of $3,200 and net cash flow of $15,700 per year for three years The machine costs $45,900 and has an estimated $8,400 salvage value. Pablo requires a 5% return on its investments. 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 Negative amounts should be indicated by a minus sign. Round your present value factor to 4 decimals.)