590                                                    19

     . ,   
      ,   -
       ,    .



         
Plum. Plum    $5000    $3000.    -
   $2000,  ,  1%  , -
 $20 (0,01  $2000). ,      $3000,
Plum   $1000      .  -
  $30 (0,01  $3000)   ,     $10
(0,01  $1000)   1%  ,     1%
 .    ,   ,  $20
($30  $10), ..   ,     .

,      $1000,  Plum  -
      $1000.  ,  
     1%,     $10 (0,01  $1000).
      $20 ($10 + $10), ..    
,      .

     ,   1%  -
,       ($20)     -
      Plum. To     
 -   1%      
  .     1%  (  -
)     ,    ,  Plum  -
   $1000, $2000  $3000.  ,    -
        :

         ,    -
.       .

,   

       -
  ,         
.        , -
         .  
        -
      .   
        -
        .  -
        -
          , 
 ,          
".      ,     . 19.1,
     .

19.2.1        
 

   . 19.1 ,   59,3%   
 ,    40,7%   .   -