,

. , , , , , , , .


          ,       ()      . .       . . () 

-                                                   800                            1100                       800                               1100

-                                                                                                                                                          

-                                                                 200                            400                        200                               400

-                                                                              1000                         1500                      1000                             1500


-                                                               7                        3                     7                          1