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1. .
: , , , ..
I.
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,
, , , .
, . . , , .
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, :
1. : , (i) . . S , - , I=S-P, i = I/P*100%=(S-P)/P*100%
2. , , .. . (d), . , .
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d = (S-P)/S*100%=D/S*100%.
, ( ), ( , ).
, .
, (, ..).
, , .
.
.
, . S P .
. n , i ,d- .
I=P*i*n
P*i
S=P+I=P+P*i*n
S=P*(1+n*i) 1
1+n*i
d
D=S*d*n
S=P+D=P+Sdn
S=P/(1-nd) 2
1/(1-nd)
n .
( )
t- , n=t/K
S=P*(1+n*i) S=P*(1+(t/K)*i) -3
4
=365 366
= 360 .
t ( , ) ( 360 30 ).
.
:
1. (365/365)
2. (365/360)
3. (360/360)
, S i(d) n=t\k, P.
.
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1.
2.
1. :
1 3 P=S/(1+ni)
1/1+ni .
2. ( ) . . . .
.
.d
P=S(1-nd), n=t/k
n .
1-nd .
1.
25000 (S), 60 t , 35% d, P-?. = 360
P=S(1-nd),n=t\k
P=25000(1-60\360*0,35) = 23541
2
90 1 S. i=d=30% . =360 . .
1 :
P=S/(1+ni)
P=1000000/(1+90/360*0,30) = 930233
2
P=S(1-nd),n=t\k
P=s(1-nd) = 1000000*(1-90\360*0,3)=925
2 .
.