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GWD-24-37

24-37 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 purpose of evaluating the argument, it would be most useful to know whether

A) more fish wholesalers are located within the city than in the surrounding suburbs.

B) any people who currently own seafood stores in the suburbs surrounding Eastville will relocate their businesses nearer to the city

C) the wholesale price of fish is likely to fall in the future

D) fish has always cost about the same at seafood stores throughout Eastville and its surrounding suburbs.

E) Seafood stores within the city will in the future set prices that are lower than those at suburban seafood stores.

the referenced answer is E, however, i still have difficult in reasoning by this way. My choice is D.

虽然题目说了,buy fish from the same wholesalers and at the same price, 但是并没有说以后也是这样啊?(有点钻牛角尖)。可是觉得E也不对,因为既然taxbreak will substantially lower the cost of doing business within the city,就算seafood store within the city will set the prices lower or higher, profit margin 还是会高啊?profit margin = revenue - cost. cost 减少substantially,不管price/revenue高还是低,都会导致profit margin升高啊。

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是不是E?

Conclusion是有关市内的profit margin高于郊区(因为new tax的影响),但如果像E说的市内store把价格下调,这样在成本一致的情况下,市内的profit margin未必高于郊区,反对了题干结论。

TOP

profit margin = revenue - cost

if "Seafood stores within the city will in the future set prices that are lower than those at suburban seafood stores"

the revenue will decline,therefore, the consequence is not clear

so E is the choice

TOP

按照你的公式profit margin = revenue - cost 应该是E更好些,因为在城里new tax breaks will substantially lower the cost of doing business,那么,Seafood stores within the city will in the future set prices that are lower than those at suburban seafood stores. 则可能使成本低的优势丧失,削弱结论;如果取非,显然支持结论。

当然,我觉得D似乎也有些道理。只是当按题目要求,选择For the purpose of evaluating the argument, it would be most useful to know whether 时,E更好。

帮你顶。听听其他朋友的解释。

TOP

题目中有" Fish currently costs about the same at seafood stores throughout Eastville and its surrounding suburbs"

D"fish has always cost about the same at seafood stores throughout Eastville and its surrounding suburbs. "

不是重复吗

TOP

这道题是有点变扭,他把正确选项放在了E.

E的意思是说有降价的空间,符合原题中的“profit margins”。

D虽然说到了same cost,但是没有考虑other costs,例如人工费呀什么的。在现实中应该要注意到这种可能性。

TOP

many  thanks !1!1

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