. , . , , .
, : , , , .
. , .
:
D ;
Y ;
I ;
R ;
n ;
g ;
L (, , , ).
, , : Y = I + R. , Y = I.
, () . .
, (, ), , .
, , . .
. R, r. g. :
Y = D×g + R, (9.1)
D×g , R ; D×g .
(R) , : R, n, r. , , :
,
|
|
sn ; r n.
:
. (9.2)
, :
. (9.3)
9.1. 100 . ., 20% , 5 . . 22%. .
. (9.2):
g = 20%, r = 22%.
r g. r , g . , r > g, , . r g, , . , r = g, , , .
t :
St +1 = St (1+ r) + R. (9.4)
9.2. 9.1 ( ). 4 , . :
. .
( . .) . 9.1.
9.1
I | R | Y | * | |
100×0,2 = 20 | - | - | - | |
18,102 | 38,102 | 18,102×1,223 = 32,870 | ||
18,102 | 38,102 | 18,102×1,222 = 26,943 | ||
18,102 | 38,102 | 18,102×1,221 = 22,084 | ||
18,102 | 38,102 | 18,102×1,220 = 18,102 | ||
= 100 000 |
* .