3. You are designing software for a warehouse operation in Houston. Packers stand 5 feet away from a computer display that gives them a line of numbers for each order. Assuming they are licensed drivers in Texas with no restrictions, how tall should numbers and letters be on this screen to assure legibility and thus minimize errors in filling orders? To assure legibility, it is recommended that you use a safety factor of2x the minimum. Round to two decimal places. (2)