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I sing in a choir http://www.neighborsforpeace.org/?child-essay motorcycle ecocolumn lab report heading adorn However, surveys of homebuyers also indicate that cost and payback time horizons remain concerns when selecting energy efficient features. For example, the 2012 NAHB survey found that the average homebuyer was willing to pay $7,095 more for a home to reduce energy costs by $1,000 annually. This suggests a required 14 percent rate of return. And this rate-of-return requirement increases for more cash constrained lower-income and first-time buyers. First-time homebuyers demand on average a nearly 16 percent rate of return, according to the survey.