VMPL = MPL * .
MRP L= VMPL.
RL . . .
. 5.1
MR < . , - . , (w) - , .
.
. 5.2
.
- , .
:
. 5.3
MIC - .
AIC - .
AIC =TC/L
w*, (MIC) (AIC).
MIC = AIC =w.
() .
. 5.4
, , - .
MIC AIC, , ,
(SL) AIC, - , , MIC, .
: MRP = MIC
:
. 5.5
.
P ´ MP = w | ||
P ´ MP = MIC | ||
MP ´ MR = w | ||
MP ´ MR = MIC |
.
: Q =2L.
1. .
|
|
: Ls = w.
: Q = 12 - .
, , .
2. .
: Q = 12 - . . , .
.
1. . MPL = dQ/dL = 2.
.
MR =(TR). TR = (12 -Q) * Q = 12Q - Q2. MR = 12 - 2Q.
- ,
MRPL = MR * MPL = (12-2Q) * 2 = 24 - 4Q.
Q. :
MRPL = 24 - 4 (2L) = 24 - 8L.
: / = L * w = L*L = L2
: I = 2L.
: MRPL = MIC
, 24 - 8L = 2L.
: L =2,4; w = 2,4: Q = 4,8; = 7,2
2. : MRPL = I
, MRPL = 24 - 8L
, I = w.
, 24 - 8L = L.
: L = 2,67; Q = 5,34; = 6,66.
. 5.6
- , , .
(/) () , , pa.
- .
- , .
.
, , :
2 = I2 + (1 + i) * (I1 - 1),
I1, I2 - , , , ;
1, 2 - , , ;
i ()
. 5.7
, .
(MRTP) _ , , : MRTP = 1 + i.
- , , .
PV = ∑Rt/(1 +i)t,
PV - ;
Rt - ;
i - ( );
t - .
(, ), PV = R/i.
(NPV) ( ).
|
|
NPV = -I + PV,
I - ;
NPV > 0.
(IRR) - cc , c NPV =0.
.
:
1. 2600 .. .
2. : 5000 .. . 8000 - 20600 - .
i = 10%.
.
1.PV = R/i = 2600/0,1 = 26000 . .
2.PV = R1/1+i + R2/(1+i)2 + R3(1+i)3.
,
PV= 5000/1+0,1 + 8000/(1+0,1)2 + 20600/(1+0,1)3 = 26634,10 ..
.
, .
- , .
. 5.8
- , - , .
. 5.9
. ( ) .
.
- , .