| | | | | | | | | | | | | | | | | | | | | 1. | | | | | | | | | 2. | | | 5% 10% | 20% 30% 50% 75% 90% | 30% | 50% | 3. | 7~12 | | | | 4. 3 | | | | | | | | | | | | | | | | | | 1. | | | | | | | | | 2. | | | | | | | | 3. | | | | | | | | | 4. | | | | | | | | | | | 5. | | | | | | | | 6. | | 7. | | | 8. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 7 |