A homeowner in a sunny climate has the opportunity to install a solar water heater in his home for a cost of $2,200. After installation the solar water heater will produce a small amount of hot water every day, forever, and will require no maintenance. How much must the homeowner save on water heating costs every year if this is o be a sound investment The interest rate is 6% per year. B. $162 C. $132 O D. $147