The Consumer Price Index Is Not a Cost-Of-Living Index Because

The Consumer Price Index is not a cost-of-living index because:

A) not all consumer items are included in the index.
B) each individual spends his or her money in a different manner.
C) items are included in the index that consumers do not purchase but businesses do purchase.
D) the prices of some items in the index rarely change whereas the cost of living is constantly changing.