| | | | | | | | | | | 1. | | | 90% | | 150 120 140 | | | | 5 | 6 12% | 25% | 5% 6 18% | 3 30% | 2. | | | | | | | | | 1 3 | | | | 2% 3% | | | 2 4 | | 15 | | | | | | | | | | | |