Question

multiple choice question
when the bureau of labor statistics calculates the cpi, they
allow both prices and the goods and services purchased by consumers to vary over time.
consider a fixed basket of goods and services, and allow the price of the items in that basket to vary over time.
consider a fixed set of prices and allow the goods and services that consumers purchase to vary over time.
consider a fixed basket of goods and services and a fixed set of prices.

Explanation:

The Consumer - Price Index (CPI) measures the average change over time in the prices paid by urban consumers for a market basket of consumer goods and services. It uses a fixed basket of goods and services and tracks how the prices of those items change over time.

Answer:

B. consider a fixed basket of goods and services, and allow the price of the items in that basket to vary over time.