                                       463

, ,   . 16.1,   2,78  -
 10%.      11%,    
(1 + )  0,91% [(1,11 - 1,10)/1,10], ..     -
 2,53% (-2,780,91%).    11%,  
 ,    $926,69,     
 $23,56 ($926,69  $950,25),     
 2,48% (-$23,5/$950,25).      2,78  -
       .

     4 ,    -
 2,78 .         -
   ,     . -
,        10,8% 
11,81%,        10  11%,  -
       
-2,53% {-2,78  [(1,1181 - 1,108)/1,108] = 2,78  0,91%},    -
     .

 ,     (1 + ) 
?  ,  ,     -
 ,     (1 + )  -
   ? ,     
 10  11% [  0,91% = (1,11 - 1,10)/1,10],    -
    10,8  11,5% [  0,63% =
== (1,115 - 1,108)/1,108].       
   1,75% {2,78  [(1,115  1,108)/1,108],  
2,53%   .      ,   
     ,    ,      -
    ,      -
  ,   .



         -
,      (immunisation).   
        -
  .  ,   ,  -
   ,     
.

16.5.1     

        -
        .  
  ,       -
     . ,     -
    6 ,        3 ,   
  4  ('/  6 + ^  3).

  ,     2  
         $1 000 000.  -
  ,     2 .   
    .      . 16.1 
    3 .        