Suppose the CPI for this year is 133.7.This number means that
A)prices rose 33.7 per cent over the last year.
B)prices rose 133.7 per cent over the last year.
C)prices rose 33.7 per cent over the base year.
D)prices rose 133.7 per cent over the base year.
E)on average,goods cost $133.70 each this year.