( ) :
(net present value NPV);
(profitability index PI);
(internal rate of return IRR);
(payback period PP).
, , . () :
R t , t- ,
3 t , ,
( ); , ,
= (Rt 3t) , t- ,
, .
, ( ) . , .
. 3t t+ t- , .
:
.
.
: , >1 . >1, , <1 .
, ( ).
() :
, (), .
, , , . .
() ( ) , .
( ), . , ( , ), , , .
