Question

Which of the following statements about prices and inflation is not correct?

A prices generally increase at the same rate across most periods of time.
B inflation represents a general rise in prices over periods of time.
C the price level measures the average prices of goods and services across the economy.
D the inflation rate shows the percentage change in prices across periods of time.

Answer 1

answer: option A. prices generally increase at the same rate across most periods of time.

That option is not correct because prices can change at different rates, according to different economical conditions. And that is reflected in the variation of inflation in different periods., for example. 

Answer 2

I believe that A is thee incorrect answer