Axis Corp. is studying two mutually exclusive projects. Project Kelvin involves an overhaul of the existing system; it will cost $40,000 and generate cash inflows of $20,000 per year for the next 3 years. Project Thompson replaces the existing system; it will cost $270,000 and generate cash inflows of $61,000 per year for 6 years. Using a(n) 8.71% cost of capital, calculate each project's NPV, and make a recommendation based on your findings.