636                                                    20



  ,      W  
   .       100 
 Widget   IV  $50        -
  .      Widget   
 $45  .        , 
   Widget      -
.  W-    -  :  , 
         $50.

   W        
 ? ,  .  , ^'     
 .    ,    Widget   -
 $50.     W        
   $50  . ,   $60,    
  Wv. $6000 ($60  100 ).   ^ 100 
     $5000 ($50  100 ).  ,  W
 $1000 ($6000 - $5000).

   ,       -
   ,     . -
    (premium),      
 . ,      $3  .  , 
   $300 ($3  100 )  W,    .
          Widget,   
  ,   Widget  $45.  -
       ,     -
  ,        -
 $3  .

     ^    , -
 W     .      -
,       ?  W  
           
.    Widget     $55,    -
, ,  $7   [   $700 ($7  100 )].  
 ^ S400 ($300 - $700),     $400.  , 
    $40, , ,    $0,50   [ 
 $50 ($0,50  100 )].     ^ $250 ($300 - $50),
    $250.

    .     -
 ,    ,      
(,      ). , 
  Widget     $55, , ,  (^ -
 WW,     ,  ^  $7  
( $700   ).    ,    
,      WW,   W  
  .

  ,         -
?       -,    
      Widget     . -
 ,        .  
  , ,    - ,   -
    $7   ( $700)     Widget  -
    .    ,   
     .