og12 96题

fengyeming · 发表于 2010-4-9 12:26:34

Hotco oil burners, designed to be used in asphalt plants, are so efficient that Hotco will sell one to the Clifton
Asphalt plant for no payment other than the cost savings between the total amount the asphalt plant actually
paid for oil using its former burner during the last two years and the total amount it will pay for oil using the
Hotco burner during the next two years. On installation, the plant will make an estimated payment, which will be
adjusted after two years to equal the actual cost savings.
Which of the following, if it occurred, would constitute a disadvantage for Hotco of the plan described above?
(A) Another manufacturer’s introduction to the market of a similarly efficient burner
(B) The Clifton Asphalt plant’s need for more than one new burner
(C) Very poor efficiency in the Clifton Asphalt plant’s old burner
(D) A decrease in the demand for asphalt
(E) A steady increase in the price of oil beginning soon after the new burner is installed

D的OG解释是：
D If demand decreases, less oil would need to be purchased, and Hotco would get more money
我不明白为什么demand下降，Hotco会得到更多的钱啊，请牛人解释下

hughlv · 发表于 2010-4-9 18:10:50

看这句描述HotCo收益的话：the cost savings between the total amount the asphalt plant actually
paid for oil using its former burner during the last two years and the total amount it will pay for oil using the
Hotco burner during the next two years.

前两年的total amount是固定的，所以对于HotCo来说，只要后两年的total amount越少，他能拿到的钱就越多。因为total amount = price * demand of oil，所以价格降低或者demand降低都会达到这个效果。

fengyeming · 发表于 2010-4-9 19:33:18

噢，明白了，thank you！！！

像风一样离去 · 发表于 2011-3-15 22:11:31

我觉得ETS实在太无耻了，D项绕了多少弯子啊。。。
不知道asphalt是沥青的人还真不知5道asphalt需求下降和oil有什么关系，那个解释看的我蛋疼！！！
什么沥青需求减少了，因此需要的石油也减少了，难道石油就是专门拿来做沥青的么？石油做成各种各样的油之后剩下的垃圾才是沥青！！！
算了，我承认我common sense太多了，这个题不知道asphalt什么意思也可以排除D的，只是鄙视一下ETS。

og12 96题

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