Over the past 4 years, large-company stocks and U.S. Treasury bills have produced the returns stated below. Given this information, 1. What are the average rates of return on large-company stocks and Treasury bills? 2. What are the standard deviation for large-company stocks and Treasury bills? Year 1 Percent Return on large company stocks = 9 Percent Return on US Treasury Bills = 3 Year 2 Percent Return on large company stocks = 13 Percent Return on US Treasury Bills = 2 Year 3 Percent Return on large company stocks = 21 Percent Return on US Treasury Bills = 4 Year 4 Percent Return on large company stocks = 3 Percent Return on US Treasury Bills = 4