In this exercise, we see the cumulative effects of inflation. Refer to the CPI table. Find the three-year inflation rate from December 1975 to December 1978. (Round your answer to one decimal place.) 21.2 X% eBook December CPI 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 18.2 21.5 23.4 24.1 23.6 25.0 26.5 26.7 26.9 26.7 26.8 27.6 28.4 28.9 29.4 29.8 30.0 30.4 30.9 31.2 31.8 32.9 33.9 35.5 37.7 39.8 41.1 42.5 46.2 51.9 CPI in December and inflation rate Inflation rate December 1981 94.0 18.1% 1982 97.6 8.8% 1983 101.3 3.0% 1984 105.3 -2.1% 1985 109.3 5.9% 1986 110.5 6.0% 1987 115.4 0.8% 1988 120.5 0.7% 1989 126.1 -0.7% 1990 133.8 0.4% 1991 137.9 3.0% 1992 141.9 2.9% 1993 145.8 1.8% 1994 149.7 1.7% 1995 153.5 1.4% 1996 158.6 0.7% 1997 161.3 1.3% 1998 163.9 1.6% 1999 168.3 1.0% 2000 174.0 1.9% 2001 176.7 3.5% 2002 180.9 3.0% 2003 184.3 4.7% 2004 190.3 6.2% 2005 196.8 5.6% 2006 201.8 3.3% 2007 210,0 3.4% 2008 210.2 8.7% 2009 215,9 12.3% 2010 219.2 Inflation rate 8.9% 3.8% 3.8% 3.9% 3.8% 1.1% 4.4% 4.4% 4.6% 6.1% 3.1% 2.9% 2.7% 2.7% 2.5% 3.3% 1.7% 1.6% 2.7% 3.4% 1.6% 2.4% 1.9% 3.3% 3.4% 2.5% 4.1% 0.1% 2.7% 1.5% 19 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 ZKY 24.1 23.6 25.0 26.5 26.7 26.9 26.7 26.8 27.6 28.4 28.9 29.4 29.8 30.0 30.4 30.9 31.2 31.8 32.9 33.9 35.5 37.7 39.8 41.1 42.5 46.2 51.9 55.5 58.2 62.1 67.7 76.7 86.3 .... 3.0% -2.1% 5.9% 6.0% 0.8% 0.7% -0.7% 0.4% 3.0% 2.9% 1.8% 1.7% 1.4% 0.7% 1.3% 1.6% 1.0% 1.9% 3.5% 3.0% 4.7% 6.2% 5.6% 3.3% 3.4% 8.7% 12.3% 6.9% 4.9% 6.7% 9.0% 13.3% 12.5% 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 THE Lau 105.3 109.3 110.5 115.4 120.5 126.1 133.8 137.9 141.9 145.8 149.7 153.5 158.6 161.3 163.9 168.3 174.0 176.7 180.9 184.3 190.3 196.8 201.8 210.0 210.2 215.9 219.2 225.7 229.6 233.0 234.8 236.5 241.4 3.9% 3.8% 1.1% 4.4% 4.4% 4.6% 6.1% 3.1% 2.9% 2.7% 2.7% 2.5% 3.3% 1.7% 1.6% 2.7% 3.4% 1.6% 2.4% 1.9% 3.3% 3.4% 2.5% 4.1% 0.1% 2.7% 1.5% 3.0% 1.7% 1.5% 0.8% 0.7% 2.1% | mm) Oo