The kitchen in your house measures 16 ft by 16 ft. You need to have 50 footcandles of illumination in the room. How many 100 watt bulbs will be required if one bulb emits 1740 lumens. (1 footcandle = 1 lumen/sq.ft). If this bulb is replaced by 23-Watt CFL bulbs to get same illumination, what would be energy cost savings in a year if the bulb operated for for 800 hours in a year with CFL bulbs? The electricity cost is 0.13/kWh in that region. a. $64.06 b. $8.01 c. $58.45 d. $75.92