If This Year the CPI Is 110 and Last Year

Multiple Choice

If this year the CPI is 110 and last year it was 100, then

A) the cost of the CPI basket of goods and services has increased this year by 110 percent.
B) the price level as measured by the CPI has increased by 10 percent.
C) the inflation rate for this year has increased by 10 percent over last year's inflation rate.
D) All of the above are correct.