๋ชจ๋“  ์–ธ๋ น์—์„œ ๊ด€๊ณ„ ๋นˆ๋„๊ฐ€ 5~15% ๊ฐ์†Œํ–ˆ๋„ค์š”. ์•„๋‹ˆ ๊ทผ๋ฐ ์–ด๋ฅด์‹ ๋“ค ์™ค์ผ€ ๋งŽ์ด ํ•˜๋ƒ;;;