   341

     .  
      ,     -
     ,      
  .  . 13.1     
        :    -
  35%        28%. ; -
  ,   ,   ,  ,
     .   , 
    ,       -
  5,76%     - 5,04%. (  -
,           , 
        .)    
     ,    
   6,51%,     (5,20%).

      
		 
. 		
	$10  	$1000  
 	$0,70  	$80  
 	100 	1
  	$1000	$1000
  	$70	$80
    	7% =$70/$ 1000	8% =$80/$ 1000
. -'		
   	$65,10= $70 [1 -(0,20	 0,35)] $52 = $80 (1 - 0,35)
   	6,51%= $65,10/$ 1000	5,20% =$52/$ 1000
.  6		
   	$50,40 = $70 (1 - 0,28)	$57,60 =$80(1 -0,28)
   	5,04% = $50,40/$1000	5,76%=$57,60/$1000

'      35%.
6      28%.

,   

        -
 .  ,   ,  
 .        -
 (2%  1993 .) .  ,     , 
 ,    :     ,  
 ,       (5%  1993 .). -
     

12-1197