单项选择题 关于税收的效率原则表述错误的是()A. 课税所产生的额外收益最大B.课税所产生的额外负担最小C.税收征纳过程中所发生的费用最小D.实行差别性税收政策

单项选择题 在市场经济条件下的收入分配制度组合中，政府再分配的对象是()

单项选择题 John Jones has decided to go into the business of pro-ducing and selling boats. In order to begin this venture,he must invest $10 million in a boat production plant.The cost to produce each boat will be $7,000, and theselling price will be $20,000. Accounting for the costof the production plant, which of the following expres-sions represents the profit, in dollars, that John willrealize when xboats are produced and sold?A.13,000x-10,000,000B.27,000x-10,000,000C.9,973,000xD.20,000xE.13,000x