Suppose the demand curve is linear and is given by the equation P = a – bQ where P is price and Q is quantity. What is the consumer surplus if the equilibrium price is P* and equilibrium quantity is Q*?

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Suppose the demand curve is linear and is given by the
equation P = a – bQ where P is price and Q is quantity. What is the
consumer surplus if the equilibrium price is P* and equilibrium
quantity is Q*?

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