| | | | | | 4 | 50% 10 | | | | | 1 | | | | | | | | 2 | | | | | | | | | | | | 12 15 | 3 | | | | | | 3 5 | 90 100 | | 5 | 15 30 | 30 | | 4 | | | | | 1/2 1 2 | | | 1990 | | | | | |