, , , , .
. , 80% . 10 , 5 . .
, , . = 5 ., = 10 = 80%. , 19.2,
, 80% 6,2325 . 10 5 . , 180%,
, 100%, ( ), , . 100%, , , .
5 . . , . , 19.2,
, 5 ., = 10 = 80% 2225,292 .
, 2,25 , .. = 180%, 37
, .
. 12 0,5 . , , 180% . , . 19.2.
.
, :
;
;
.
, () . :
, . , , . :
|
|
() () . :
[(1 + ) - 1]/ , . , 1 (1 + ).
(19.24) , [(1 + ) - 1]/ , . .
, (19.24) . , ( = 1):
= 0 , .. .
, : (, ) . , , . . () () . .
. , :
) 100 . . ;
) 350 . .
, 20% ?
= 3 = 100 . . 20% (, ). 19.24 :
, , , , 364 . . > 350 . .
, , , . (. . 19.1).
, ( ):
()
, (, ), .
|
|
, = 20% PV = 211,11 . . = 0, PV = FV.
. . . :
:
.
. , 100 . . 5 20 . . 30 . . , 12% ?
.
FV = 100 (1 + 0,12)5 = 176,23 . .
:
) = 20, = 5, = 20% 30 . .;
) = 20, = 4, = 20% 20 30 . .
(19.25) 157,06 . .
(19.26) 157,06 . .
.
, .
. , , , . , , . . , , . , . . .
.
. 30 . . 13%, . .
, (. 19.3)
. 19.3 . , , 13% . .
, , , ( ) , 3,9 [30 (1 + 1,13)], , : - 3,9. , , . , . .
|
|
19.26.
= 30 /3,517 = 8,53 . .
, . , , .. → ∞. , 50 . , .
(19.27) , .
, .