- .
. , , ( ) , , .
, , . , , 240 . ., , 300 . . , 300 . 240 . :
, . :
, < 1 () , . , , , . 1, . :
PV , (. present value); 1 (. cash flow). (.1.1) :
. . 60 . .
, , , , ( ) :
:
.
(. 1.3) :
t , t = 0, 1, 2, 3,..., , . () t- Et, 0 = 1 t = 1/ V (1 + E) t > 0.
, ( ), .
.
1. , 150 (200, 400, 600) . ., 200 (300, 600, 900) . . .
2. , , 10 (20, 30, 40, 50, 60, 70, 80, 90, 100) % 200 (300, 400, 500, 600, 700, 800, 900, 1000, 1100) . .
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3. , , 10 (20,30,40,50, 60, 70, 80, 90, 100) % 100 (300, 400, 500, 600, 700, 800, 900, 1000, 1200) . .
4. 2 3 1 = 1000 (10000, 12000, 12000, 14000, 15 000) PV = 800 (7000, 8000,9000, 7000, 8000),