3. A 10 -year corporate bond yields 4.00%, a 10 -year UST bond yields 1.50% and a 1-month T-bill yields 0.25%. What is the a. Risk-free return b. Interest rate risk premium c. Default risk premium 4. The same maturity UST bond and TIPS yield 1.75% and 0.25%, respectively. What is the implied inflation rate