1.
:
R = 100Q Q2; = 10 + Q.
: , , :
1) ;
2) , .
:
1) : = .
) , :
TR = P*Q = TR/ Q = (100Q Q2)/ Q = 100 Q
) :
= 100 -Q= 10 + Q
100 - 10 = 2Q
90 = 2Q
Q = 45 .
) : = 100 Q = 100 45 = 55 . .
) , : = . 55 = 55;
= 10 + Q = 10 + 45 = 55.
2) : = MR .
) R R.
R = (R) = (100Q Q2) = 100 - 2Q;
) = MR, :
100 - 2Q = 10 + Q
100 - 10 = 3Q
Q = 30 .
) : TC = 100Q Q2 = 100*30 302= 2100
) , , :
= R/ Q = 2100 / 30 = 70 ..
) , : = MR . 40 = 40 70
= 10 + Q = 30 + 10 = 40
R = 100 - 2Q = 100 2*30 = 40.
) , 40 . , 70, 30 .. (. 5)
0 30 (Q) |
D |
MR |
MC |
P |
10.1
2.
: = 250+Q2, Q . : = 60 Q.
:
, , , :
1) ;
2) .
:
1) : = MR = .
) .
= () = (250+Q2) = 2Q;
= 60 -Q= 2 Q
60 = 3Q
Q = 20 .
) : = 60 Q = 60 20 = 40 . .
) : = TR- TC.
TR=P*Q = 40 * 20 = 800 (. );
=250+Q2 =250 +202 = 650 (. );
, = TR - TC = 800 650 = 150 (. ).
2) : = MR .
) : TR=P*Q = (60 Q) * Q = 60Q Q2;
) R R.
R = (R) = (60Q Q2) = 60 - 2Q;
) = MR, :
|
|
60 - 2Q = 2Q
60 = 4Q
Q = 15 .
) : = 60 Q = 60 15 = 45 . .
) : = TR- TC.
TR = P*Q = 45 * 15 = 675 (. );
=250 + Q2 =250 +152 = 475 (. );
, = TR - TC = 675 475 = 200 (. ).
, , , . , , .
3.
, 5, 20, 5, 20, 25, 10, 15% . . ? ? ?
:
1) : IH = S , S , . IH = 10000, IH 100, () IH 1800.
IH= 252 + 202 + 202 + 152 + 102 + 52 + 52 = 625 + 400+ 400 + 225 + 100 + 25 + 25 = 1800, .- .
2) IH , 100 , , 300 , .
:
IH= 252 + 202 + 202 + 152 + 152 + 52= 625 + 400+ 400 + 225 + 225 + 25 = 1900, .- 100 .
:
IH= 452 + 202 + 152 + 102 + 52 + 52 = 2025 + 400 + 225 + 100 + 25 + 25 = 2800, .- 1000 .