The supply curve for product X is given by QXS = -440 + 20PX .
a. Find the inverse supply curve. P = _____ + ______ Q
b. How much surplus do producers receive when
Qx = 420?
When Qx = 980?
When QX = 420: $
When QX = 980: $
The given supply curve QXS = -440 + 20PX
20PX =Q +440
PX =Q/20 +440/20
PX =Q/20 +22
a. The inverse supply curve. P = 22 + (1/20) Q
(b)
The producer surplus is the area below the price and above the supply curve.
When QX=420
P = 22 + (1/20) *Q
P = 22 + (1/20)* 420
P = 22 + 21
P=43
When Qx=0
P = 22 + (1/20) *0
P = 22 + (1/20) *0
P = 22 + 0
P=22
Producer surplus = Area of triangle
=1/2* B*H
=1/2*420*(43-22)
=0.5*420*21
=4410
When QX=980
P = 22 + (1/20) *Q
P = 22 + (1/20)* 980
P = 22 + 49
P=71
When Qx=0
P = 22 + (1/20) *0
P = 22 + (1/20) *0
P = 22 + 0
P=22
Producer surplus = Area of triangle
=1/2* B*H
=1/2*980*(71-22)
=0.5*980*49
=24,010
Producer surplus
When QX = 420: $4,410
When QX = 980: $24,010
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