please answer it as fast as possible.

The following table summarizes risk premiums for stocks in the United States, relative to treasury bills and bonds, for different time periods: Risk Premium for Equity Stocks - T.Bills Arithmetic 7.55% 1928-2011 Stocks - T.Bonds Geometric Arithmetic Geometric 5.79% 5.62% 4.10% 3.36% 4.02% 2.35% -1.92% 1.08% -3.61% 1962-2011 5.38% 2002-2011 3.12% A. What risk premium do you use? (1 points) Why