The supply and demand curves for a product are as follows. What is consumer surplus in this market?
A
6.25
B
12.5
C
20
D
22.5
E
25
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1
Identify the equilibrium price and quantity by setting the quantity demanded (QD) equal to the quantity supplied (QS). Use the equations QD = 15 - 2P and QS = -15 + P.
Solve the equation 15 - 2P = -15 + P to find the equilibrium price (P).
Substitute the equilibrium price back into either the demand or supply equation to find the equilibrium quantity (Q).
Calculate the consumer surplus using the formula: Consumer Surplus = 0.5 * (Base * Height), where Base is the difference between the maximum price consumers are willing to pay and the equilibrium price, and Height is the equilibrium quantity.
Determine the maximum price consumers are willing to pay by setting QD = 0 and solving for P, then use this value to calculate the consumer surplus.