| | | | | | | | | | | | | | | | 1. | | | | | 500 | | | 2. | | 1 | | | | | | 2 | | | 3 | | | | | | | | | 4 | | | | | | 3. | 1 | | | | | | | | | | | 2 | | | | | | | | | | | | | | | | 10% ~ | 20% 2% 3% | | 3 | | 4 | | | | | | | | | | 5 | | | | | | 6 | | | | | | | | | | | | | | | 6 | 1 ~ 3 3 | | | | | 7 | | | | | | | |