Answer:
compares the cost in the current period to the cost in a reference base period of a basket of goods typically consumed in the base period.
Step-by-step explanation:
The consumer price index refers to the price change with related to the goods and services consumed by the consumer or purchased i.e foods, medicine, clothing, etc
Moreover, it also determines the changes in the price level as compare to the base year
And, there is a negative relationship between the price level and the money value.