464                                                    16

1 ,    $1070 (  $70    $1000
).      $972,73, , ,   
  10%.

  . -,      
    1         
   1 .      .  , 
      ,  ,  
 ,      ,  ,   
 , - 10%.  ,    ,  
      14.

-,        ,   
  .  ,      
 2 ,     $1 000 000.    ,  
    , ,     .
   , ,    $1 000 000, ..   
     .

          -
,     .      ?
     ,    
   :

W, + W, = 1;                                   (16.5)

{W, x 1) + (^2,78)=2.                            (16.6)

 W^  W^   ( ),    
      . ,   (16.5) ,
     1.     (16.6)  -
        ,  
2 .      .   
(16.5)  :

W, = 1 - Wy                              (16.7)
  (1  ^)  W^   (16.6)  :

[(1 - W,)  1] + (^  2,78) = 2.                            (16.8)

         .  
 W, = 0,5618.      (16.7),  W = 0,4382.
 ,    43,82%    ,
 56,18% -   .

     $826 446 ($1 000 000/(1,10)2),   
 ,     . 
 $362 149 (0,4382  $826 446)     , 
$464 297 (0,5618  $826 446)     . 
        $972,73 
$950,25 ,  ,    372 ($362149/$972,73) -
   489 ($44297/$950,25)  .

   ? ,   
            
          -
   (     
 ).          -
     (     -
  )        