Suppose Total Expenditures for a Typical Household in 2002 Were

Multiple Choice

Suppose total expenditures for a typical household in 2002 were $5,500 per month,while the cost of purchasing exactly the same items in 2012 was $6,875.If 2002 is the base year,the consumer price index (CPI) for the year 2012 equals

A) 80.
B) 100.
C) 120.
D) 125.
E) 130.