: - 50 - 4 . - 50 - 20-30 - 15 33% - 500 - 1 - 5-10 ( , ) , (30-40 ) , . . 1-2 . . , . . , . ( . ) , . . , . . 4 , . , . , .
",": 1 - 2 - 3 - . 4 - " " 5 -