75๋ฐฐ๋Š” 5000๋ถˆ์ด ์ตœ๋Œ€๋‹ˆ๊นŒ 5000/75=66.66๋ถˆ๋งŒ ๋‹น๊ธธ์ˆ˜์žˆ์Œ?