(d) Suppose the demand function of a good is Pd = 100 -0.5Qd and the supply function is Ps= 10 +0.5Qs. The government is concerned that the market price is too high and imposes a price ceiling of Rs 40. Let the equilibrium price Rs 55 and the equilibrium qty 90=(90,55) Calculate the change in producer's surplus and the change in consumer's surplus due to the implementation of a price ceiling of Rs 40 & Calculate the profit made by black marketers if a black market operated in this market

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