| | | | | | | | | | | | | | | | | | | | ︵ ︶ | | 1 50 | 70 0.3 100 | 30 50 | 3 7 | 2 20% | 500 250 | 3 5 | | 3 100 150 | 60 80 3 7 | | 4 | |