You read in The Wall Street Journal that 30-day T-bills are currently yielding 5.9\%. Your brother-in-law, a broker at Safe and Sound Securities, has given you the following estimates of current interest rate premiums: - Inflation premium =2.50% - Liquidity premium =0.4% - Maturity risk premium =1.70% - Default risk premium =2.30% On the basis of these data, what is the real risk-free rate of return? Round your answer to two decimal places. %