                                                    587

       ,  
        -
         .   
     ,    
   -       
  .  ,  ,    -
    ,    ,  ,
          . -
      ,    
          .
      ,   
  ,       -
.  ,    ,    
   ,     ( -
,         ) 
.

   ,      , 
   . 19.1(),       
  .  . 19.1(6)     
 ,         
.          
   .

    Plum      $2000   
    $3000.    $3000,  -
     $6000 ($3000 -+- $3000),    
$5000.  ,  Plum       
$1000 ($6000 - $5000).

 

 . 19.1()  ,  ,   
. 19.1(6);         
( > Dy + Iy).          
 NPV,      ,    -
    ,    . 19,1 ().  -
        . -
,          ( ,  -
 ,    ,  ).

         -
   .      -
   ,       -
        NPV (   
,   /  ,   NPV).   -
    ,       -
   ,       
  ,  ,     
 .

    Plum        $1000
 $2000  $3000.        
  $4000 ($1000 + $3000).    $5000,  $1000 ($5000 - $4000)
      .