160  6

.         
,    .    - 
,          ,
        ;    ,
  .     . 6.4,  
         -
 ,      
 Standard & Poor's.        -
     ,    
     .     
  ,      
  ,     ,    -
. ,       -
,          ,   -
 .

      ,   -
    .     -
,  -  , ,   -
  , , $90    20 ,   20 
 $1000.     ,    ,  -
      $90    20 ,   20 
   $1000.

  .;'." -,- .?.-;- ^^/^.^'^.^^.^ffi-.;^;^'^^1^' I

 	 		 
 	  		
$15	$8	0,04	38,51%
15	6	0,36	30,62
10	8	0,30	13,61
10	4	0,30	-5,20

    = 15,09%

|1
      1993 .
	  
	6,68%
	7,32
	7,80
	8,45
	9,11
	10,57

: Standard & Poor's Bond Guide, September 1993, p. 3.