| | 2020 20 | | | | | | | | 2020 7 30 | | | | | | | | | | | | 2020 | | | | | | | | | | | | 2020 2 1 | | 95% | | | 1. 2020 1 1 | | | | | | 2. | | | 50% | | 100% | | | 3. | | | | | | | | | | | | 4. | | | | | | | | | | | | 1. | | | | | | | | | 2. 2020 6 1 12 31 | | | | | | | | 2021 3 31 | | | | | 3. | | | | | | | | | | | 50% 5% | | | | | | | | | | | | | | | | | | 1. | | | | | | | 2. | | | | | | | | | | 1. | 2020 A | | | | 2. | A | | | | A | | | | | 3. A | | 50% | | A | | | | | 4. | | | | | 1. | | | | | 2. | | | | | | | | | 3. | | | | | | | | | 1. | | | | | | | 2. | | | | | | | 3. | | | | | | | | | | | |