| | | | | | | | | | | | 10-30% 80% | | 10% 30% 50% | | | | | | | | | | | | | 10% 20% | | 2 ~ 3 | | | ︔ | | 50% | 500 20% | 1200 40% | 1000 ~1500 3 ~ | 4 7~10 | | |