QUESTION 4 (10 points) Indicate whether the statement is True or False, and briefly explain why: A) Black markets can emerge when there is a price ceiling in a market. B) Unemployment is an unintended consequence of setting a wage below the equilibrium wage. C) Deadweight loss is generated only when there is a decrease in producer surplus. D) A price floor sets the price above the equilibrium price and benefits producers. E) Total surplus can be increased at a price above the equilibrium price