Your operating and maintenance cost of a PV system is $100, increasing at 3% per year and inflation is 5%. The system life is 25 years. a. What is the net present value of the O\&M? b. You are offered a fixed O\&M contract for $125 per year for the life of the system. To determine if this is financially beneficial, calculate the net present value of an annual value of $125 with an inflation rate =5% and compare to the net present value from part a. Since this is a cost that you pay, you want the lower net present value