1์ฐจ๋ชฉํ‘œ๋Š” 1000๋ถˆ์ธ๋ฐ ์ ˆ๋ฐ˜์ธ 500๋ถˆ ๋‹ฌ์„ฑํ•ด์„œ ๊ธ€ ๋‚จ๊ฒจ๋†ˆ


๋น„ํŠธ๋งŒ ๋งค๋งคํ•˜๊ณ  ๊ต์ฐจ 100๋ฐฐ๋กœ ์‹œ๋“œ 10~30% ์”€


๋Œ€์ค‘ 3์ฃผ ๊ฑธ๋ฆฐ๋“ฏ