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题库 / Prep2007E1-CR-28
First-time computer buyers buying PXC home computers typically buy models that cost much less and have a smaller profit margin per computer than do PXC computers bought by people replacing their computers with more powerful models. Last year PXC's profits from computer sales were substantially higher than the previous year, although about the same number of PXC computers were sold and the prices and profit margins for each computer model that PXC sells remained unchanged.
If the statements above are true, which of the following is most strongly supported by them?
PXC's competitors raised the prices on their computers last year, making PXC computers more attractive to first-time computer buyers.
The number of people buying PXC computers who also bought PXC computer-related products, such as printers, was larger last year than the previous year.
Among computer buyers who bought a PXC computer to replace their existing computer, the proportion who were replacing a computer made by a competitor of PXC was greater last year than the previous year.
The proportion of PXC computers bought by first-time computer buyers was smaller last year than the previous year.
PXC's production costs for its computers were lower last year than they had been the previous year.
比起那些买PXC是为了更换老型号的消费者，PXC的初次购买者往往选择更便宜，每台利润更低的型号。
去年PXC公司的利润比前年更高，尽管卖出去的电脑总数量，和每台电脑的利润保持不变。
choice d, 去年被PXC初次购买者占到的比重低于前年。correct
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