The Consumer Price Index Is the

The consumer price index is the

A) cost of a market basket of goods and services typically consumed in the base year.
B) cost of a market basket of goods and services typically consumed in the current period.
C) average of the prices of the goods and services purchased by a typical urban family of four.
D) average of the prices of new final goods and services produced in the economy over a period of time.
E) average price of consumer data purchased from Facebook.