| 10 | | | 20 | | | | | | 10 | | | 10 | 500 10 | | | | | 20 10 | 6 500 | | | 45% | | | | | | | | | 9 | | | | | | + | + + | | | | | | | | | | 20 | | | | | | 2020 | 300 500 | 10 | | | | | | SEE | 6000 | | 1000 | | | | | | 6 526 | 4 | | | | | | | | 15147 | | 15% | 8% | （ ） |