| 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 | | | | | | |