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标题: 大全-12-6 [打印本页]

作者: je04tta    时间: 2013-4-19 07:12     标题: 大全-12-6


6.     Recent audits revealed that BanqueCard, a credit service, has erred in calculating the interest it charges its clients. But BanqueCard’s chief accountant reasoned that the profits that the company shows would remain unaffected by a revision of its clients’ credit statements to correct its previous billing errors, since just as many clients had been overcharged as undercharged.

Which of the following is a reasoning error that the accountant makes in concluding that correcting its clients’ statements would leave BanqueCard’s profits unaffected?

(A) Relying on the reputation of BanqueCard as a trustworthy credit service to maintain the company’s clientele after the error becomes widely known

(B) Failing to establish that BanqueCard charges the same rates of interest for all of its clients

(C) Overlooking the possibility that the amount by which BanqueCard’s clients had been overcharged might be greater than the amount by which they had been undercharged

(D) Assuming that the clients who had been overcharged by BanqueCard had not noticed the error in their credit billsC

(E) Presupposing that each one of BanqueCard’s clients had either been overcharged or else had been undercharged by the billing error



我做的时候本选从c,后来觉得e更忠实于题干才选的e,没想到答案是c,如何排除e?是因为 presupposing错了吗

作者: Jeffrey-N    时间: 2013-4-19 21:34

看懂题意:公司不会受益,因为被overcharge的人和被undercharge人一样多.



区别C , E应该没问题吧
作者: Shaple    时间: 2013-4-20 09:42

B错在哪呢?
作者: cclovelife    时间: 2013-4-21 15:43

B与题目无关.
题干说有些人被多要钱了(该收他20块,结果收了30块),有些人被少要钱了(该要30块,只被收了20块).
所以问题的就是少要的那部分钱是不是和多要的那部分钱刚好相抵消,跟rate没有任何关系
作者: Shaple    时间: 2013-4-22 06:28

可是题干说:BC的会计认为undercharge和overcharge的人数相同,因此其profit不变。所以我觉得如果interest rate相同的话,才能保证undercharge和overcharge的钱数相同。

所以感觉B也对,虽然没有C表述得直接。请大家再帮我分析一下,thanx!
作者: liuqiangde    时间: 2013-4-22 19:18

做题也是这样想,后来想想不对,即使人数相同,要保证金额相同还要overcharge and undercharge的金额相同才能保证总金额相同。而文中chief accountant范的错误就是混淆了人数和总金额的概念。不知对不对。请各位nn指教
作者: Jackjokes    时间: 2013-4-23 06:39

D错在哪里呢?

公司假设被overcharge的顾客没注意到这个问题。事实上,如果Overcharge的顾客都跑去要钱,而undercharge的顾客装傻。公司岂不白白损失?
作者: cher6068    时间: 2013-4-24 06:23

逻辑题其实想的简单就好
D之所以不对,是因为原文care的是总profit跟overcharged and undercharged的人数之间的关系。只要建议后者并不能直接得出前者就可以。你说的overcharged和under的一个跑去要钱一个装傻相当于又给文章题了个假设。并没有解决原文所问的两个因素之间的不必然性。不知道这么说你能明白么




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