                                        471

,       (  )   -
  ,  9%.    ,   
 ,  8%,  ,      -
   ,     :

  =   +   .     (16.9)

         .  ,
        
        -
 ,    .  , 
 .      ,  -
          -
    20.

,        $2 (  . 16.4),
       6 ,     5 , 
     4,25%  ,     5--
    $24,29.    $20   (-
   $2  ),  $4,29 -   .

,          
 ,   ,     
  .      -
 :

-.-       _           ,.          
     ,           ,  ,

    = w   +  + -       +  =
                 

              

= ($80,22 - $67,48) + ($83,78 - $80,22) + $20,00 + $4,29 =
= $12,74 + $3,56 + $20,00 + $4,29 = $40,59.

        
           $67,48. 
 ,         -
 :

   $i2,74    $3,56   $20,00    $4,29

      =  +  +  +  =

   $67'48   S67.48   $67'48   $67.48

= 0,1888 + 0,0528 + 0,2964 + 0,0635 = 0,6015,

 60,15%.     ,     
,  -  ,     ,  -
 ,     ,     , -
    .

      ,   -
   .       9,0% 
8,0%       $80,22  $83,78.   
 8,0%        
 60,15%.        ,  
  . ,      
  ,     .  ,
       -
  .

i6*