Pablo Company is considering buying a machine that will yleld income of $3,400 and net cash flow of $15,700 per year for three years. The machine costs $46,800 and has an estimated $9,900 salvage value. Pablo requires a 15% 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 approprlate factor(s) from the tables provided. Negatlve amounts should be indicated by a minus sign. Round your. present value factor to 4 decimals.)