The base year used to calculate the consumer price index is year 2.
The consumer price index is an index that is used to measure a country's level of inflation. This is done by comparing the price of a basket of goods in a year by the price of a basket of goods in the base year.
CPI = (cost of basket of goods in current period / cost of basket of goods in base period) x 100
The base year usually have a CPI value of 100.
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