.


:




:

































 

 

 

 


NPV IRR




 

1*. :

1. (cash flow), . , , .

2. ( ).

3. , . .

: - CF1, CF2,..., CFn.

:

(DPB).

(NPV),

(, ) (IRR),

, :

( ), ,

( ), , .

: .

.

1. . . .

2. , - , . , , .

, , , , ,

2*. .

1. $1,000 .

: 500, 400, 300, 100, - 100, 300, 400, 600. 10%. .

1.

         
() -1,000        
-1,000        
-1,000 -545 -214    

: .

.

2. .

         
() -1,000        
-1,000        
-1,000 -909 -661 -360  

.

, , .

, , , . . , , $1000, , , .

3*. (Net Present Value)

,

CFi - ,
r - , .

: () () . , $15,000, - $12,000, ($3,000).

, . , .

.

1. , .

2. NPV.

3. :

: NPV , ;

: , NPV, .

2. , , . $5,000 5 . $1,800. $300.

, 20%.

. .

$5,000
5
$0
4- $300
$1,800
20%

 

.

3. NPV

() 20%*
($5,000)   ($5,000)
(1-5) $1,800 2.991 $5,384
  ($300) 0.482 ($145)
(NPV) $239

5,384= ;

145=300/(1,2*1,2*1,2*1,2);

239=-5000+5384-145.

NPV = $239 > 0, .

, , . , , ( ) . NPV?

, r = 24% NPV = ($186), . . NPV , , .. , , , . r = 24% $5,000 24% , , $1,800, 24% .

: ( ) NPV .

4*. , ( ) ( IRR) - , , , .

, , IRR - , , IRR .

,

: CFj - j- ,
INV - .

, IRR. :

IRR , ,

IRR , .

5*. NPV IRR . . , . .

4

  ($1,000) ($1,000)
     
     
     
     

NPV - , NPV .

NPV .

5 NPV

r
     
  180.42 206.50
  78.82 49.18
  -8.33 -80.14

NPV , . 1.

, , :

IRR=14.5%,

IRR=11.8%.

, , IRR. NPV- .

. 1. NPV

NPV-, , 7.2%, :

r > , ,

r < , - NPV- , IRR- .

, . , NPV , .


6.





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