You read in The Wall Street Journal that 30-day T-bills are currently yielding 8 percent. Your brother-in- law, a broker at Kyoto Securities, has given you the following estimates of current interest rate premiums: Inflation premium 5% 1% Liquidity premium Maturity risk premium 2% Default risk premium 2% Based on these data, the real risk-free rate of return is: 00 percent. 0 1 percent O 2 percent. 3 percent. 4 percent