| | | | | | | | | | | | | | | | | | | | | | | | 5 | | 15 | ① | 1.8 | 18 | 8 | | | ② | 30 | | 24 | | 8 | | | 300 | 400 | | 300 | | | 5 | ① | | ② | | | | | | | | 20% | 11 | | | | | 3 | | |