作者apriLti (国境之南)
看板EconStudy
标题计算CPI
时间Mon Jun 12 11:53:24 2006
The CPI basket contains 400 oranges and 800 pens.
In the base year, the price of an orange is $1.00 and
the price of a pen is $0.75.
This year, urban consumers each buy 300 oranges at $2.00
and 850 pens at $1.00 each.
The CPI this year is ______.
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