652                                                    20

 ,  $100    ,  
   $108,33     ,
 8% 10. ,      
.        .

()      

$125 Є= $25

$100

^~~^~^ $80 Є = 80

t =                          t = 
()     

^, $125Є=$25

$111,80
$100<^                                                  _"^> $100Є=$0

$89,44    <^_

^^~~~~~-- $80 Є = $0
t =                              t = 0,5                                t = 

. 20.5.       Widget

       ,    -
   .       .   -
         .
   :

           
                        

              $125,00              $80,00         $100,00
          $108,33             $108,33         $100,00
         $25,00               $0,00           ???

   ,          -
.

    

         Widget   -
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   Widget   .  , 
     . ?
         -
 -         
           .
(  ,   .)

    ,    -
       Widget.    N, 