. . ǿ : ( ) . . . . 6 . . . 4-6 . . . . 3 . , , , , | |
| | | | | | | | | |
25 % | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |