In the past, every ten-percentage-point increase in cigarette prices in the country of Coponia has d...

题目信息

In the past, every ten-percentage-point increase in cigarette prices in the country of Coponia has decreased per capita sales of cigarettes by four percent. Coponia is about to raise taxes on cigarettes by 9 cents per pack. The average price of cigarettes in Coponia is and has been for more than a year 90 cents per pack. So the tax hike stands an excellent chance of reducing per capita sales of cigarettes by four percent.

Which of the following is an assumption on which the argument depends?

A:Tobacco companies are unlikely to reduce their profit per pack of cigarettes to avoid an increase in the cost per pack to consumers in Coponia.

B:Previous increases in cigarette prices in Coponia have generally been due to increases in taxes on cigarettes.

C:Any decrease in per capita sales of cigarettes in Coponia will result mainly from an increase in the number of people who quit smoking entirely.

D:At present, the price of a pack of cigarettes in Coponia includes taxes that amount to less than ten percent of the total selling price.

E:The number of people in Coponia who smoke cigarettes has remained relatively constant for the past several years.

参考答案及共享解析

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正确答案： A:Tobacco companies are unlikely to reduce their profit per pack of cigarettes to avoid an increase in the cost per pack to consumers in Coponia.

原文： tax增高10%，price现在是90，那么销量下降4%（也就是tax, price, 销量的关系）

A：正确，对A取非，如果烟草公司会降低他们的利润销售，那么即使提高9cent的tax（原价90cent），也不一定会以99cent的价格出售，而是可能以低于99的cent价格销售，那么对于消费者来说，价格并没有提高10%，总的销售就不会小于4%。因此取非削弱

B：previous increase与现在无关。

C：讲sales和people quit smoking,没说tax price 销量的关系。

D：现在的tax是10%的total price.....无关

E：注意是In the past few years无关

笔记