-249 75
250*68=17000
249*75=18675
: , - .
13.
: .
. ?
:
P=350
D: 350=-Q+450
S: 350=3Q+50
D: Q=100
= D=S =
S: Q=100
14. . . .
:
Q=
E= ∆Q*P/Q*∆P
Q=20-0,21
Q=-0,2
Q=20-0,2*20=16
E=-0,2*(20/16)=-0,25
15.
2 . 15 . . . 11 . . . . , 20 . ., 12 . . , , . |
: . 2000
15000.
11000
20
12 .
: .; . .; . .; . -?
1) . .= 15000+11000=26000
2) . . . = 20+12=32
3) . . . = 2000*32=64000
4) . . . = 36000+64000=100000
5) . = 100000/2000=50
16. : , 5 . ., 70 . , 2 . . , - 15 . ., - 20 . . . , 10 . ., , 15 . . . 500 300 . .
:
) , ;
) .
:
. .FC=5+20=25
. .VC=70+2+15=87
=500*300=150000
..=.-.=150-25-87=38
=38-10-15=13
16. . 60 . . .
:
TC=30Q+2100
1 =60
-?
TC=30Q+2100
TC/Q=60
30Q+2100/Q=60 ..
17. 1200 . . 24 . . , 800 . .
1. .
2. , 15% , ?
:
=
24000*0,15=3600
3600/122=3
: 15% , 3 ; ..=60. .
18. 1,2 . 300 . , 0,9 . .
|
|
1. .
2. . 360 . , 0,8 . . ?
:
= 1000
(2)=
: ; .. =1000 ..
19. TC = 100Q-2Q2+0,04Q3. Q=12 .
:
MC = 100-4Q+3*0,04Q2
Q: 100-4*12+3*0,04*12=69,28
: 69,28
20. , 55 . . MC=22-8Q+3Q2+2Q3
3 .
:
MC=22-8Q+3Q2+2Q3 =22Q-4Q2+Q3+0,5Q4
1) Q: = 22*3-4*32+3*33+0,5*34=97,5
2) : 97,5 + 55 = 152,5
: 152,5
21. AVC=10+2Q
12 . . .
: AVC=10+2Q; FC=12
1) TC=VC+FC; VC=AVC*Q=10+2Q*Q = 10+2Q2 => TC = 12+10+2Q2
2) MC=TC/Q=12+10+2Q2/Q = 12+10+2Q
: TC = 12+10+2Q2; MC=12+10+2Q
22. 500 . AVC = 2 . AFC = 1 ., ?
: Q=500; AVC = 2 .; AFC = 1 .
: -?
:
1) TC=VC+FC;
VC=AVC*Q=2*500=1000
ð TC=1000+500=1500
FC=AFC*Q=1*500=500
: =1500
23. , , , ( . .), :
1) = 245,
2) = 14,
3) =27,
4) = 13,
5) =31,
6) = 3,
7) = 221,
8) =18,
9) = 56,
10) = 72,
11) = 60,
12) = 12,
13) = 20.
:
1) =/++%+ .=221+14+13+56=304+31=335( )
2) . =+. + . .--=335+27+18=380
3) . =245+3+72+60=380
4) =-=380-27=353
5) =-- - ++% . =335-20-56+12=271
24. , , , :
- |
:
( ) = 825+198+131+302-224=1232
=
= . .-. .=224-198=26-15=11
=1232-11=1221
=-.=1221-107=1114