Year 1940 1950 1960 1970 1975 1980 1985 1990 CPI 14.0 24.1 29.6 38.8 53.8 82.4 107.6 130.7 During which decade was inflation the highest, as measured by the percentage change in the CPI? O 1940s O 1950s O 1960s O 1970s O 1980sYear 1940 1950 1960 1970 1975 1980 1985 1990 CPI 14.0 24.1 29.6 38.8 53.8 82.4 107.6 130.7 What was the rate of inflation during the decade of the 1950s, as measured by percentage change in CPI? O 22.82% O 31.08% O 58.62% O 72.14% O 112.37%