Nowadays it is very important to reduce ones carbon footprint (how much carbon we produce in our daily lifestyles). Minimizing the use of fossil fuels and instead resorting to renewable sources of energy (e.g., solar energy) are vital to a sustainable lifestyle and a lower carbon footprint. Lets consider solar panels that prewarm the water fed to a conventional home water heater. The solar panels have an installed cost of $3,000, and they reduce the homeowners energy bill by $30 per month. The residual value of the solar panels is negligible at the end of their 25-year life. What is the annual effective IRR of this investment?please do it out step by step not using excel