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本贴相关题目 TN-12-CR-40 (JRSI)

00:00:00

Fish currently costs about the same at seafood stores throughout Eastville and its surrounding suburbs. Seafood stores buy fish from the same wholesalers and at the same prices, and other business expenses have also been about the same. But new tax breaks will substantially lower the cost of doing business within the city. Therefore, in the future, profit margins will be higher at seafood stores within the city than at suburban seafood stores.

For the purposes of evaluating the argument, it would be most useful to know whether

AMore fish wholesalers are located within the city than in the surrounding suburbs
BAny people who currently own seafood stores in the suburbs surrounding Eastville will relocate their businesses nearer to the city
CThe wholesale price of fish is likely to fall in the future
DFish has always cost about the same at seafood stores throughout Eastville and its surrounding suburbs
ESeafood stores within the city will in the future set prices that are lower than those at suburban seafood stores

正确答案: E

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快考了，急问：GWD-24-37

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楼主

发表于 2009-3-13 21:00:00 | 显示全部楼层

我是这样理解的……

D和E要分开看

D说fish的cost在城内城外总是一样的，如果是重申原文，就没有起到什么作用顶多强调强调；如果是如楼主所说确定将来fish的cost不变，那么对于将来的其他费用的变化还是不得而知的，非有效most useful

E说城内price比城外price低了，那么在原文假定其他cost不变，而tax的cost大大降低的情况下，根据那个公式可以得到price 和cost都下降了，则哪个变化幅度大就决定了profit margin的增加或减少或不变，有效most useful...

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