. :
- ;
- () .
.
: I. =10000, =1000 -> :
ROE=(1000/10000)*100%=10%
II. =5000, =5000, =1000 -> :
ROE=(1000/5000)*100%=20%
:
.
:
,
n , Pk - , - , , , .
.
- , + -.
:
1. 20% 16% 4%
2. 20% 25% -5% .
3. , (20%-16%) =+4%, .. 4%.
4. , (20%-16%) =+8%, .. 8%.
3 4 , .
, , , .
.
: = 60 .
= 45 .
= 30 . .
,
- .
( , ).
, , .
. .
. .
=Vafrnbx - Vmin
.
:
: =60,
.=45,
.=30000,
.=15000.
, .
: . +3%,
. +30% 50%
= - 25%
.= - 75% 125%
30 .. 20 ..