Use the following table: Series Large stocks Small stocks Long-term corporate bonds Long-term government bonds U.S. Treasury bills Inflation Average return 11.92 % 16.62 6.31 6.10 3.91 3.10 a. Determine the return on a portfolio that was equally invested in large-company stocks and long-term corporate bonds. (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) b. What was the return on a portfolio that was equally invested in small stocks and Treasury bills? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) a. Portfolio return % % b. Portfolio return