what is the rate of inflation between 1974 and 1975? (please take the inflation rate to two decimals)

what would the nominal minimum wage have to be in 2015 to equal the realpurchasing power of the minimum wage in 1969?

Value of the Value of the Value of the minimum wage minimum wage minimum wage Constant Constant Constant Current (1996) Current (1996) Current (1996) Year dollars dollars Year dollars dollars Year dollars dollars 1955 50.75 $4.39 1983 $3.35 $5.28 2011 $7.25 $5.06 1956 1.00 5.77 1984 3.35 5.06 2012 7.25 4.97 1957 1.00 5.58 1985 3.35 4.88 2013 7.25 4.87 1958 1.00 5.43 1986 3.35 4.80 2014 7.25 4.82 1959 1.00 5.39 1987 3.35 4.63 2015 7.25 4.80 1960 1.00 5.30 1988 3.35 4.44 1961 1.15 6.03 1989 3.35 4.24 1962 1.15 5.97 1990 3.80 4.56 1963 1.25 6.41 1991 4.25 4.90 1964 1.25 6.33 1992 4.25 4.75 1965 1.25 6.23 1993 4.25 4.61 1966 1.25 6.05 1994 4.25 4.50 1967 1.40 6.58 1995 4.25 4.38 1968 1.60 7.21 1996 4.75 4.75 1969 1.60 6.84 1997 5.15 5.03 1970 1.60 6.47 1998 5.15 4.96 1971 1.60 6.20 1999 5.15 4.85 1972 1.60 6.01 2000 5.15 4.69 1973 1.60 5.65 2001 5.15 4.56 1974 2.00 6.37 2002 5.15 4.49 1975 2.10 6.12 2003 5.15 4.39 1976 2.30 6.34 2004 5.15 4.28 1977 2.30 5.95 2005 5.15 4.14 1978 2.65 6.38 2006 5.15 4.04 1979 2.90 6.27 2007 5.85 4.41 1980 3.10 5.90 2008 6.55 4.77 1981 3.35 5.78 2009 7.25 5.30 1982 3.35 5.78 2010 7.25 5.22