| | | | | | | | | 1000 | | 1000 | | | | 300 20 | | | | 6 | | | | | | 30% | 15 | 30 | | | | ⒈ | | ⒉ | | | ⒊ | | ⒋ | | | | | | | | | | | | | | | | |