21 | | | | | | | | | | | | 35% | 40% 45 | 7 | 20% | Ⅱ 50% | | 1. | | 2. | | 3. | | | 4. | | | | | 5. | | | 6. | 15 | | 7. | | | 8. | | | 9. | | 10. | | 11. | | | | 3 | 1. | 2. | 3. | | | | 40 | 60 | | | | | | | |