ํ’€์ˆ ๋ฐ•๊ณ  30%๊ฐ€๋Ÿ‰ ์šด์ง€ํ›„ ํ’€๋งค์ˆ˜ ์‹œ ์‹œ๋“œ ๋ณต์‚ฌ