2.2 ๋ฌผ๋ฆฌ์—”์ง„ ํŒจ์น˜์˜ ์˜ํ–ฅ์ธ์ง€ ๋ชฐ๋ผ๋„ 70% ํƒ€์ด๋ฐ์ด ์ฒด๊ฐ์ƒ ์„ธ๋ฏธ์ž„ํŒŒ ๊ฐ™์Œ