| | | | 1. A | | | | A A | | | A A | A | A | | | | | | | | A | | | | | | | A | A | | | | A | | | 50 ~ 100 20 ~ 50 | A 5~10 | | 2. D A | D D | | | | | | | | 20% 300 ~ 500 | 3% 1000 | | | | | D D2 | 5 ~ 10 200 ~ 400 | 3 ~ 5 | | | |