You read in The Wall Street Journal that 30-day T-bills are currently yielding 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% Liquidity premium = 0.2% Maturity risk premium = 2.3% Default risk premium = 2.6% On the basis of these data, what is the real risk-free rate of return?