() NPV, (IC), PP, 1, .
NPV в . NPV (PV) (Cg):
NPV = PV ICg (1.6)
, NVP ( ѲF) ( F):
NPV = CIF COF (1.7)
CIF = 
(1.8)
COF = 
(1.9)
CIFt ( ) t
COFt ( ) t
FM2(r;t) = 
t r.
:
PI = 
(1.10)
PI = 
(1.11)
.
() - (), () , .
(IRR). ϳ IRR , NPV "0". : - , , (
).
, IRR , .
, - .
IRR, , . NPV r1 < r2 , (r1, r2 ) NPV = f (r) "+" "-", "-" "+". :
, (1.12)
r1 - ,
f (r1 ) > 0, (f (r1 ) < 0);
r2 - ,
f (r2 ) < 0, (f (r2 ) > 0)
, (r1, r2) 1%.
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NPV 11 .
