| | | 1700 B2C | | | | | 2013 2 19 | | 2.5 ㎡ | 18.5 ㎡ 14.7 ㎡ | 7.7 ㎡ 7 | ㎡ 3.8 ㎡ | | 135 | 20 % | | | |