Use the data in the tables below to answer the following questions: Average rates of return on Treasury bills, government bonds, and common stocks, 1900-2015. Average Annual Rate of Return (%) 3.8 5.3 11.4 Average Premium (Extra return versus Treasury bills) (%) Portfolio Treasury bills Treasury bonds Common stocks 1.5 7.6 Standard deviation of returns, 1900-2015 Standard Deviation (%) Portfolio Treasury bills Long-term government bonds Common stocks 2.9 9.0 19.9 a. What was the average rate of return on large U.S. common stocks from 1900 to 2015? (Enter your ans 1 decimal place.) wer as Answer is complete and correct. Average rate of return 11.4 % Answer is complete and correct. Average rate of return 114% 11.4 b. What was the average risk premium on common stocks? (Enter your answer as a percent rounded to 1 decimal pl Answer is complete and correct. Average risk premium c. What was the standard deviation of returns on common stocks? (Enter your answer as a percent rounded to 1 decimal pla Standard deviation of returns