You read in The Wall Street Joumal that 30-day T-bills are currently yielding 5.5%. Your brother-in-law, a broker at Safe and Sound Securities, has given you the following estimates of current interest rate premiums: - Inflation premium =3.50% - Liquidity premium =0.6% - Maturity risk premium =1.55% - Default risk premium =2.15% On the basis of these data, what is the real risk-free rate of return? Round your answer to two decimal places