| | | | | | | | | | | | | | | 1. | | 20% ~ 30% | | 2. | | | 35% | | 3. | | | 4. | | | | 1. | ① | | ② | 2. | ① | | | | | | ② | | | | | | | | | | | 3~5 6 | | | | | | | | | | |