932                                                    26

$0,50.     (..     )  
        ^'.  
   $5 ($0,5  10).

 ,         $0,55 
 .        X.,  -
        ^^.   
   $6,60 ($0,55  12).

  ,    (foreign return) (.. 
  ),  /,   :

\\  
'f=    v p                                       (26.2)

()(\

     ()    -
      - 32% [($6,60 - $5,00)/$5,00].

      : (1)   
; (2)    .    -
           -
     .     -
        .  
     ,      ,
  ,      :

\ ~ 

=^-                (26-3)

   . = 10% [($0,55 - $0,50)/$0,50].

  (26.1), (26.2)  (26.3)  , :

1+/=(1+^)(1+^).                        (26.4)
         :

'"/= I'd +l'c+r^^^c                                          (26.5)

     (26.5) ,   = 32% [0,20 + 0,10 + (0,20  0,10)].
     (/-^)    ,  
   ,     .  , 
(26.5)      :

i-f=r^+r,.                                  (26.6)

,           
,       ( )  
    (/' ).   ,     / ==
= 32%.   ( 26.6)    30% (0,20 + 0,10).
 ,        2%.

 

 (26.6) ,      
        -
   :