๋น„ํŠธ๋งŒ ํ•ด๋„ ๋ฐ˜๋“ฑ์ด 1%์”ฉ ์˜ฌ๋ผ์ฃผ๋Š”๋ฐ 50๋ฐฐ๋งŒ ํ–ˆ์–ด๋„ 50% ใ„ทใ„ท