GWD7-Q30: 再次请教．．．

10gmat · 发表于 2010-6-19 21:42:23

GWD7-Q30:weaken

Printwell’s Ink Jet Division manufactures ink-jet printers and the ink cartridges they use.Sales of its ink-jet printers have increased.Monthly revenues from those sales, however, have not increased, because competition has forced Printwell to cut the prices of its printers.Unfortunately, Printwell has been unable to bring down the cost of manufacturing a printer.Thus, despite the increase in printer sales, the Ink Jet Division must be providing the company with much smaller than it used to.

Which of the following, if true, most seriously weakens the argument?

Ink-jet printers in regular use frequently need new ink cartridges, and Printwell’s printers only accept Printwell’s ink cartridges.
Unlike some competing companies, Printwell sells all of its printers through retailers, and these retailers’ costs account for a sizable proportion of the printers’ ultimate retail price.
Some printer manufacturers have been forced to reduce the sale price of their ink-jet printers even more than Printwell has.
In the past year, no competing manufacturer of ink-jet printers has had as great an increase in unit sales of printers as Printwell has.
In the past year, sales of Printwell’s ink-jet printers have increased more than sales of any other type of printer made by Printwell.

我怎么觉得答案A就算是对的，也不能weaken结论呢？因为就算是墨盒只能用该部门生产的墨水，就算墨水的价格不降，整个部门的销售收入还是比以前减少了啊，请大家帮忙......

shirleyon · 发表于 2011-5-15 19:18:52

打印机只能用自己厂家的墨盒，打印机卖的多，则墨盒也卖的多，从而利润就可以增加

maxth · 发表于 2011-7-3 00:45:03

但是这样限制，人家连打印机也不卖它的不就好了

Rainbeauty · 发表于 2011-7-3 12:31:51

蛋似，这里已经说sales increase了啦

GWD7-Q30: 再次请教．．．

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