1 kW peak solar panel system that was recently installed on a house cost a total of $30,000 after rebates from the government.

A 3.1 kW peak solar panel system that was recently installed on a house cost a total of $30,000 after rebates from the government. Graph the cost per KWh of the energy generated by this system as a function of the lifetime of the solar panels used from 5 years to 50 years. State any assumptions you made for this calculation.