If a market basket was defined in 2014 and it cost $10,000 to purchase the items in that basket in 2014, while it cost $11,000 to purchase those identical goods in 2015, then the price index for 2015 is
A. (11000/10000)*100=110.
B. 100.
C. (10000/11000)*100=90.9.
D. unknown given this data.
Answer: A
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