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