49．Division Manager：1 want to replace the Microton computers in my division with Vitech computers.
Division Manager：why?
Division Manager：It costs 28 percent less to train new staff on the Vitech．
General Manager：But that is not a good enough reason．We can simply hire only people who already know how to use the Microton computer．
Which of the following, if true I most seriously undermines the general manager's objection to the replacement of Microton computers with Vitechs?
(A) Currently all employees in the company are required t0 attend workshops on how to use Microton computers in new applications．
(B) Once employees learn how to use a computer, they tend to change employers more readily than before.
(C) Experienced users of Microton computers command much higher salaries than do prospective employees who have no experience in the use of computers．
(D) The average productivity of employees in the general manager's company is below the average productivity of the employees of its competitors．
(E) The high costs of replacement parts make Vitech computers more expensive to maintain than Microton computers．
答案：C
解答说只要GM的花费高于DM的花费就弱化了结论。可是
GM的方案: S1 （熟练工的工资S1 大于普通工的工资 S2）
DM的方案: S2 +换电脑的钱+ 培训费。
我很不解解答上就根据这个说：GM的花费会高于DM的花费
从方案上来看，很明显是应该DM大于GM的可能性更高啊....（因为DM有3项，GM就1项，而且也没有明确提示S1 到底比S2 高多少)...
请大虾们指教...
刚做过这题~呵呵
我觉得你有点钻牛角尖了，如果非比个高低，可以这么想：培训和换电脑都是一次性的，而工资要一直给啊，每次都高一点的话，积累起来就很可能，或者说总有一天超过那些一次性的费用（就算这些一次性的费用很高）。其实我觉得这种套路的题，一般如果B能说出A的方案带出的另一个结果，而这个结果与A的好处相抵，就对A的结论造成了削弱。（一般不追求到底谁大，只要相反的效果就可以了，OG里有不少这样的题——我的体会）
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