7. The average Treasury Bill rate over the past 10 years has been 3.8%, ad l average inflation rate over the same time period has been 2.3%. What w average real risk-free rate? as the 2.66% 1.47% b. 3.45% d. 1.97% a. c. 8. Company A's possible returns are as follows Economy Probability Return Weak 15% 5% NormalStrong 60% 10% 25% 24% What is Company A's expected return? a. 13.34% c. 12.75% b. 11.90% d. 12.05% 9. A stock's portfolio risk is measured by: a. beta b. management ratios c. expected return d. standard deviation 10. A stock's stand-alone risk is measured by: a. beta c. expected return b. management ratios d. standard deviation