Use the data in the tables below to answer the following questions Average rates of return on Treasury bills, government bonds, and common stocks, 1900-2013 Average Premium (Extra return versus Treasury bills) Portfolio Treasury bills Treasury bonds Common stocks Average Annual Rate of Return 3.9 5.2 11.5 1.3 Standard deviation of returns, 1900-2013 Portfolio Treasury bills Long-term government bonds Common stocks Standard Deviation, % 2.8 8.9 19.9 a. What was the average rate of return on large U.S. common stocks from 1900 to 2013? (Enter your answer as a percent rounded to 1 decimal place.) Average rate of return b. What was the average risk premium on common stocks? (Enter your answer as a percent rounded to 1 decimal place.) Average risk premium c. What was the standard deviation of returns on common stocks? (Enter your answer as a percent rounded to 1 decimal place.) Standard deviation of returns