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g ,

it ,

i ,

P ,

N ,

g ´ N ,

K , , .

g ´ N . , / i, ( ) P (g ´ N)k,

P = å (g ´ N) k /(1+ i) Δt/T. (11.17)

k ,

Δt=tk-t tk t , tk k - , T / i.

: / i N =100 . g =35% , P =50 .

(11.17) 50=(0,35´100)/(1+ i) + (0,35´100)/(1 + i)2 i /. 10=7/(1 + i)+ 7/(1 + i)2 10/7=((1 + i) +1)/(1 + i)2 1,428´(1 + i)2= i + 2 i ´2 + i ´ 1,856 - 0,5714 = 0 , ( ) i =0,2689, .. 26,89%.

, , (11.17) , .

it = å (g´N)k / P (11.18). k .

it =[(0,35´100)+(0,35´100)]/50=1,4 140%.

 

() N, , P. , () . / i ( n ) , P, / i n , N, ..

P ´ (1 + i) n = N (1 + i) n = N / P = 100/ K, (11.19)

/

i = (100/ K)1/ n 1. (11.20).

, P AN N, n .

: / i N =100 ., P = 50.

(11.20) i = (100 / 50) 1/2 1=0,4142 41,42%.


:1) , 2) .

g ´ N , N ´ g.

A % = R ´ (qn 1)/(q 1) ´ qn,

q = 1 + ic;

n , ;

ic .

AN N,

AN = N /(1 + ic) n.

, P AN () A %, ..

P = A % + AN,

ic /.

/ ic P = A % + AN, ( )

P = R ´ (qn 1)/(q 1) ´ qn + N / qn, (11.21)

q = 1 + ic;

n , .

(11.21) ic /.

 

, g ´ N p ,

A % p = [ g ´ N ´ (qn 1)/(q 1/ p 1)]/ qn, (11.22)

q = (1 + i).

- g ´ N. (11.21)

P = R ´ (qn 1)/(q 1/ p 1) ´ qn + N / qn, (11.22)

 

it

 

it = å (g ´ N)k / P (11.23) k .
, , .. i it N =100 . g =35% P =50 . . (11.22)
50=(0,35´100) ´ [(1+ i)2-1]/[(1+ i)-1] ´(1+ i)2+100/(1+ i)2 10=7´[(1+ i)2-1]/ i ´(1+i)2+20/(1+ i)2 10´i´ (1+ i)2=7´[(1+ i)2-1]+20´ i 10´ i +20´ i 2+10´ i 3=7´[(1+2´i+i2-1]+20´i 10+20´ i +10´ i 2=7´[(2+ i ]+20 10´ i 2+13´ i -28=0

, i =1,145 114,5%.

(11.23) it = [(0,35´100)+(0,35´*100)]/50=1,4 140%.

 

. I, n, I = N ´ (1 + g) n N. i , P I N, :

P ´ (1 + i) n = I + N

P ´ (1 + i) n = N ´ (1 + g) n

((1 + i)/(1 + g)) n = N/P = 100/ K,

i = ((1 + g)/(K /100)1/ n ) 1. (11.24).

: i P=50 N=100 . g=35% , .

i =(1+0,35)/(100/50)1/21=0,9545 95,45%.

, n ( n 2), . Exel .

 

1

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