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economicz

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发表于 2011-7-13 16:05 | 显示全部帖子
They might be thinking in terms of numbers (which is wrong).

CA/CL = 10/8 = 1.25.

If CA drop by $2 and CL drop by $2, then CA/CL = 8/6= 1.33 (in fact it increases).

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