When the Cost of the CPI Market Basket Increases from One

When the cost of the CPI market basket increases from one year to the next,we know that

A) on the average,current prices are less than past year prices.
B) the quantities of the goods and services contained in the CPI market basket have increased on the average.
C) the prices of the goods and services contained in the CPI market basket have increased on the average.
D) on the average,current prices are below base year prices.
E) either the quantities of the goods and services contained in the CPI market basket have increased on the average and/or the prices of the goods and services contained in the CPI market basket have increased on the average.