| | | | 1. 0 6 | | | | | | | | | | | 2. 7 8 | | | | | | | | | | 18 | | 3. 19 | | | 40 | 5% 80% | | | | | | | | | 40 60 80% | 70% | | | | | 60 | 70% | | | | | | | | | | | | | | | | | | | | | | | | | |