The Consumer Price Index in 1979 Was 72

Multiple Choice

The consumer price index in 1979 was 72.6. In 1980, it was 82.4. What was the rate of inflation from 1979 to 1980?

A) 13.5%
B) 13.5%.
C) 11.89%.
D) 11.89%
E) 17.6%
F) 17.6%.
G) 9.8%.
H) 9.8%