An energy conservation option has a starting cost of $25,000. It requires $2,000 per year maintenance and saves $5,000 each year in utilities. Assume this is in a building with 200 people, with an average personnel of $60,000 per year. If a device interfere with temperature control that results in a two percent decrease in productivity, what would the simple payback be?

A. No payback ever

B. $60,000 payback

C, $3,000 payback

D.240,000 payback