P8-9 (similar to) Question Help Historical returns. Calculate the arithmetic average return of U.S. Treasury bils, long-term government bonds, and large company stocks for 1989 to 1998. Which had the highest retum? Which had the lowest return? On the left side, click on the Spreadsheet Learning Aid to see Table 8.1-Year-by-Year Retums, 1950-1999 What is the average ratum of U. 8. Treasury bills for 1980 to 1900? (Round to two decimal places.) Year 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 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 50-year average Standard Deviation Three-Month U.S.Treasury Bills 1.20% 1.49% 1.66% 1.82% 0.86% 1.57% 2.46% 3.14% 1.54% 2.95% 2.66% 2.13% 2.72% 3.12% 3.54% 3.94% 4.77% 4.24% 5.24% 6.59% 6.50% 4.34% 3.81% 6.91% 7.93% 5.80% 5.06% 5.10% 7.15% 10.45% 11.57% 14.95% 10.71% 8.85% 10.02% 7.83% 6.18% 5.50% 6.44% 8.32% 7.86% 5.65% 3.54% 2.97% 3.91% 5.58% 5.50% 5.32% 5.11% 4.80% Long-Term Government Bonds -0.96% -1.95% 1.93% 3.83% 4.88% -1.34% -5.12% 9.46% -3.71% 3.55% 13.78% 0.19% 6.81% -0.49% 4.51% -0.27% 3.70% -7.41% -1.20% -6.52% 12.69% 17.47% 5.55% 1.40% 5.53% 8.50% 11.07% 0.90% -4.16% 9.02% 13.17% 3.61% 6.52% -0.53% 15.29% 32.68% 23.96% -2.65% 8.40% 19.49% 7.13% 18.39% 7.79% 15.48% -7.18% 31.67% -0.81% 15.08% 13.52% -8.74% Large Company Stocks 32.68% 23.47% 18.91% -1.74% 52.55% 31.44% 6.45% -11.14% 43.78% 12.95% 0.19% 27.63% -8.79% 22.63% 16.67% 12.50% -10.25% 24.11% 11.00% -8.33% 4.10% 14.17% 19.14% -14.75% -26.40% 37.26% 23.98% -7.26% 6.50% 18.77% 32.48% -4.98% 22.09% 22.37% 6.46% 32.00% 18.40% 5.34% 16.86% 31.34% -3.20% 30.66% 7.71% 9.87% 1.29% 37.71% 23.07% 33.17% 28.58% 21.04% Small Company Stocks 48.45% 9.41% 6.36% -5.66% 65.13% 21.84% 3.82% -15.03% 70.63% 17.82% -5.16% 30.48% -16.41% 12.20% 18.75% 37.67% -8.08% 103.39% 50.61% -32.27% -16.54% 18.44% -0.62% -40.54% -29.74% 69.54% 54.81% 22.02% 22.29% 43.99% 35.34% 7.79% 27.44% 34.49% -14.02% 28.21% 3.40% -13.95% 21.72% 8.37% -27.08% 50.24% 27.84% 20.30% -3.34% 33.21% 16.50% 22.36% -2.55% 21.26% 5.226% 5.936% 14.890% 17.103% 2.980% 9.493% 16.695% 29.043%