An energy management system that can save $7,500 per year for four (4) years, expenses are $2,000 per year, can be installed at a cost of $20,000.

An energy management system that can save $7,500 per year for four (4) years, expenses are $2,000 per year, can be installed at a cost of $20,000. At the end of four (4) it is expected to be sold for $1,250. Using the end of year convention, the rate of return on this planned investment is most nearly:1.ROR = 9.81% 2.ROR = 9.5% 3.ROR = 6% 4.ROR = 10%