Answer:
c. The average change in prices of a fixed basket of goods and services of urban consumers
Step-by-step explanation:
It is a measure of the average change over time in the price paid by urban households for a set of consumer goods and services. It reflects the spending patterns of each of two population groups: all-urban consumers and urban wage earners and clerical workers, which include professionals, the self-employed, the unemployed, and poor persons.