also which npv is better ?

Axis Corp. is studying two mutually exclusive projects. Project Kelvin involves an overhaul of the existing system; it will cost $52,500 and generate cash inflows of $30,000 per year for the next 3 years. Project Thompson replaces the existing system; it will cost $245,000 and generate cash inflows of $55,000 per year for 6 years. Using a(n) 8.39% cost of capital, calculate each project's NPV, and make a recommendation based on your findings. The NPV of project Kelvin is $ (Round to the nearest cent.)