LED Savings Calc

https://docs.google.com/spreadsheet/pub?hl=en_US&hl=en_US&key=0ArKbnt7Gi_dOdDA5Y0lZV3lKYVBXQzhWb2tSVVJWeUE&output=htmlhttps://docs.google.com/spreadsheet/pub?hl=en_US&hl=en_US&key=0ArKbnt7Gi_dOdDA5Y0lZV3lKYVBXQzhWb2tSVVJWeUE&output=html