An environmentally friendly 3,100-square-foot green home (99% air tight) costs about 8% more to construct than a same-sized conventional home. Most green homes can save 14% per year on energy expenses to heat and cool the living space. For a $261,000 conventional home with a heating and cooling bill of $3,000 per year, how much would have to be saved in energy expenses per year to justify this home (i.e., B-C ratio greater than or equal to one)? The discount rate is 11% per year, and the expected life of the home is 23 years. Click the icon to view the interest and annuity table for discrete compounding when the MARR is 11% per year. ... would have to be saved in energy expenses per year to justify this home. (Round to the nearest dollar.)