The expected rate of return for the stock of Cornbuster Inc. is 20%, with a standard deviation of 15%. The expected rate of return for Andalusa Enterprises is 10%, with a standard deviation of 9%. a. Which stock would you determine to be riskier? Why? b. If you determine that the beta coefficient of Cornbuster stock is 1.5 and the beta of Andalusa is 0.9 , would your conclusion differ from part a? If so, how