| 1. | | 2~3 100 4 | 40 | | | 10~15 | | 2. | | 20%~22% | 4% ~20% | | | | | 30% | 40% | | 3. | | | | 4. 6 | 40 ~ 60 70 ~100 | 150 1% | 13 ~15 | | 5. 15 ~25 | 150 | | | | |