.


:




:

































 

 

 

 





, .

, , . , , .

. , , , .

, . , , , .

 

:

ð ;

ð , () ;

ð , , .. , .

 

, : .

NPV (net present value) . .

:

(4‑1)

CFk n , k = 1, 2, , n;

Z ;

r .

 

, (m), :

 

(4‑2)

 

NPV [40], , :

Ø NPV > 0 ;

Ø NPV < 0 ,

Ø NPV = 0 ,

 

 

4‑1

, 150 . ., 4-1, 10% .

 

. 4‑1

 

Excel , .4-2.

. 4‑2 MS Excel c (4-1)

 


. 4‑3 MS Excel c (6-1)

 

:

Ø " " () ;

Ø " " ;

Ø " " . , " 4 " : =C3+B4;

Ø " D " . , " D3 " : =(B3/(1+0)^A3)/B3; " D4 " : =((B4/(1+0.1)^A4))/B4 ..;

Ø " E " . , " E4 " : =B4*D4

Ø " F " . , " F3 " ( ): =D3; " F4 " : =F3+E4 ..

Ø G . , G3 : =(C3>0;" ";" "), G4:G11 .

 

, :

= 32,01

= -(-150)+32,01 = 182,01

 

182,01 =NPV(10%;C4:C11), _("") ("1".,..) , .

MS Excel NPV .

 

. 4‑4 ()

 

 

 

, , , NPV (, ) , , Present Value (PV) ( /).

 

.

() () , , ( ) ( ).

: (;1;2;...)

.

1, 2,... 1 29 , .

1, 2,... , .

1, 2,... ( , ( ) )

 

=NPV(10%;C4:C11) , 3

=(10%;B4:B11)+B3

? . .

NPV , ,

 

4‑2

, .4-5, 15%

 

. 4‑5 4-2

 

 

4‑3 () 1

 

 

Ø B8 (), 8

Ø 9 9 1 2.

 

2, , .

, (payback period method) , . , [41]:

 

(4‑3)

 

:

 

 

(4‑4)

 

 

4‑4

 

, 1 . ., 5 : 250; 400; 800; 900; 900 . . . 15%.

.

Excel , .4-7

 

 

. 4‑6 Excel 4-3

 


. 4‑7 Excel 6-3

 

:

Ø C1:G1 ;

Ø C2:G2 ( CFk);

Ø C3:G3 . , 3 =C2/((1+15%)^C1), 6-3;

Ø C4:G4 . , 4 =B4+C3 ( (1) ), D4 =C4+D3 ( (2) ) ..

 

, 2 3 . 7-4 :

=D1+(-D4/E3) =2+480,15/526,01 =2,91

 

, , , 2,91 2 332 .

 

, 5 : =(C4>0;C1-(B4+C3)/C3;0) [42] .

 

(benefit-cost ratio, profitability index - PI) , . :

 

(4‑5)

 

PI > 1, , NPV. .

PI = 1 NPV= 0 .

, PI < 1,

PI , , .

 

4‑5

, .1. 250000,00.

 

 

. 4‑8

 

 

( " "), (NPV) , (PI) 1. , 250000,00, . - () , 250000,00.

" ".

" 8 " : =(B2:B7;E2:E7);

: " " : "1" ; "0" .

" 9 " :

=(B2:B7;C2:C7);

" " :

 

. 4‑9 " "

 

" " :" ", " ", " D " " ", NPV 121000.

 

: NPV, PI.

 

4.3.1. . () [43]

[44] (internal rate of return - IRR) .

, .

:

(4‑6)

 

 

, NPV = 0, ( PV ) I0, . , IRR, . IRR r. IRR > r, NPV, , IRR r. IRR < r, .

 

IRR :

Ø () " " ( , NPV=0;

Ø () [45]

 

. 4‑10 ()

 

4‑6

1 2005. 200 . . , 5 40, 60, 80, 90 100 . .

, 1

, 10%

 

F 1. " " IRR

 

ð " 3" "3" =(10%;B2:G2;B1:G1) =(C4;B2:G2;B1:G1),

ð " 3 " ѭ_ ...;

 

. 4‑11

 

 

:

ð" " - $C$3;

"" - 0;

ð" " $C$5.

" " 5 IRR =20.94%

 

F 2. ()

 

ð " 6 " =(B2:G2;B1:G1), IRR=20,94%

 

? , 24% .

 





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