The answer is C. 33 percent
Joseph Nicephore Niepce worked on the invention with his brother, Claude. Once Claude had moved to England, Joseph worked on the camera on his own, due to the huge craze of lithography. He began printing with lithographic printmaking because he couldn't do it by hand.
Food Code Lighting Requirements
The first requirement specifies providing at least 110 lux (10-ft. candles) at a distance of 75 cm (30 inches) above the floor, in walk-in refrigeration units and dry food storage areas and in other areas and rooms during periods of cleaning.