Peng Company is considering an investment expected to generate an average net income after taxes of $2, 400 for three years. The investment costs $58, 500 and has an estimated $7, 500 salvage value. Assume Peng requires a 15% return on its investments. Compute the net present value of this investment. (FV of |1, PV of $1, FVA of $1 and PVA of $1)