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, .. r = 850 /3, ( ) r = 0,9, = 1203/, = 150 , t = 50.

 

:

 

1. (r.)

. 7.5, (r.) r = 0,9, r = 850 /3.

r. = 440 /3 (0,44 /).

. 7.5.

2. (G)

(G), 1 3 , :

, (7.10)

, 120 3/;

r , 0,85 /3;

r , 0,9;

G 1 3 .., 1,22 .

G = 120 0,85 0,9 1,22 = 112 .

3. (V)

:

, (7.11)

V = 112 / 440 = 0,255 3.

4. (V)

(7.12):

, (7.12)

V = 1 + 0,255 = 1,255 3.

5. (G)

(7.13):

, (7.13)

G = 850 + 112 = 962 .

6. (r)

:

, (7.14)

r = 962 / 1,255 = 767 /3.

7. (r')

(r') :

. (7.15)

:

1) (∆rt);

2) (∆r).

∆rt - , .7.6:

∆rt = 850 840 = 10 /3.

∆r - , .7.7, = 150 , ∆r = 8 /3.

, (7.15), :

r' = 767 - 10 + 8 = 765 /3.

8. (b)

b, , , :

, (7.16)

, (7.17)

,

b = 850 / 765 = 1,11.

.. 3 (..) 1,11 3.

9. (U)

:

, (7.18)

U = (1,11 1) / 1,11 = 0,099 9,9%.

 

. 7.6. (∆ρt)

 

 

. 7.7.

(∆ρ), (1 = 10 )

 





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