| 2021 | | | | | 2021 | | 300 | | 1. | | | | | | 2. | 150 | 3. | 75 | | | | | | | | | | | | | 12 31 | | | | 2020 9 24 | 2021 3 31 | | 2021 1 1 2021 | 12 31 | | | | | | | | APP | | | | | | 4. APP | | | | | |