                                     131

   .        -
     ,     
   .

 ,    ,   -
 -      .  -
    -  7%,     
  ,    -   9,01%.  -
   -     -
,    - (8%) ,   - (7%).



   ,      -
    :

^1.2 =/1,2.                              (5.25)
,    (5.17)/.  es.,,   :

(l+^l)(l+Mi;i)=(l+^)2,                        (5.26)

   ,         - 
        6.

      ,  -
    ,   -. ,   -
      ,   
  ,   -.    -
    -  ,    
    -  .

 -  

 ,   ,  : -
  ,  -     ( 
)?           , 
-,   ,   , ..  -
         7. -
   - ( )   ,  -
    -.

, ,        /. 
  -    7%,   ,  
    4%-     ( 
       ; . 
(5.3)).      -  9,01%, 
  2,01%   7%- -.   , 
-   2,01%?       2,01%.
      12     4%, 
  12      6,01%.

 ,  - (8%)   - (7%),
      -      -
   4%   6,01%.