234                                                     9

~  = (0,25  16,2%) + (0,75  4%) =

=7,05%;

  = (0,50  16,2%) + (0,50  4%) =

=10,10%;

7  = (0,75  16,2%) + (0,25  4%) =

=13,15%.

         -
     Able .   ^= 0%  0^=12,08%.
     ,   D   -
  (7.7)  . 7:

' N   N           "|1/2
<^1:1>,^     =

['-1 -1         J                                          (7.7)

'44              11/2

= ? 1>,^ .

.'-1 -1

     ^ = 0  ^ = 0,      :

. = ^,^,,,+-,^.+^,+,/,.1/2 =

    |_ 1 1  11    1 4  14    4 1  41    44 44J

\V'l'i^Vl^'^-IYY^   I1/2

-^a,+^+2^o^J .

     4    ,  -
, ^ = 0  <7^ = 0,   .     -
:

^-[wr-

^]1/2^

= , 12,08%.
 ,    ,  . D :

, = 0,25  12,08% =

= 3,02%;

^ = 0,50  12,08% =

= 6,04%;

 = 0,75  12,08% =

= 9,06%.

,  ,      
   :