์บ์„ ๊ถŒ 3.9์งœ๋ฆฌ ์‚ฌ๊ณ ์‹ถ์€๋ฐ ๋‹ค์Œ ํ•œ์ „๋ฒ„์ ผ์€ ์–ธ์ œ์ธ์ง€ ์•„์‹œ๋Š”๋ถ„