Quail Company is considering buying a food truck that will yield net cash inflows of $10,800 per year for seven years. The truck costs $47,000 and has an estimated $6,500 salvage value at the end of the seventh year. (PV of $1, FV of $1, PVA of $1, and FVA of $1 ) (Use appropriate factor(s) from the tables provided. Enter negative net present values, if any, as negative values. Round your present value factor to 4 decimals.) What is the net present value of this investment assuming a required 8% return