A firm is considering a new inventory system that will cost $165,000. The system is expected to generate positive cash flows over the next four years in the amounts of $63,120 in Year 1, $70,800 in Year 2, and $91,080 in Year 3. The firm's required rate of return is 10%. What is the net present value (NPV) of the project? $19,323.98 $20,929.15 $26,931.78 $19,905.36