Pablo Company is considering buying a machine that will yield income of $3,500 and net cash flow of $16,700 per year for three years. The machine costs $46,200 and has an estimated $6,600 salvage value. Pablo requires a 10% return on its investments. Compute the net present value of this investment. (PV of \$1. EV of \$1. PVA of \$1. and EVA 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.)