Real risk-free rate is currently 1.5%. A broker at INV Securities, has given you the following estimates of current interest rate premiums: Inflation: 2% , Liquidity Risk Premium 1% , Maturity Risk Premium 2%, and Default Risk Premium 1%. Based on these data, what are the rates of short- term Treasuries? * You need to show your calculation in your exam worksheet! 3.5% 6.5% 5.5% 4.5%