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18. The equations for a competitive market's demand and supply curves are, respectively, OP = 1000- 5p and Q5 = 3p. A price ceiling is imposed upon the market at the level of 5100/ oommodity unit. The quantity traded in this market is [a] 200 units. lb) 300 units. (c) 400 units. (d) 500 units. (e) None of the above. 19. A competitive market is at equilibrium. An excise tax has been imposed upon the market at a rate of Stftraded unit. At this equilibrium, the Consumers' Surplus is STUD, the Deadweight Loss is $300, the Tax Revenue is 5500, and the Total Surplus is 52,000. How large is the Producers' Surplus? [a] 5600. lb) $5.00. (cl $400. ldl 5300- (el The question cannot be answered unless the numerical value of the tax rate r is given. 20. Is the following statement True or is it False? If a market is competitive and becomes subject to any regulation that causes the equilibrium quantity traded in the market to be reduced, then the regulation causes a Deadweight toss. [a] True