21. You are considering investing in a particular stock next year. You have obtained the actual returns for this stock for the past 5 years and have calculated the following statistics: Average Return (Mean) - 12.8%; Variance - 0305; Standard Deviation - 17.47%. All #s are positive #s. During these last 5 years, the average inflation rate was 3.5% What was the average real return for this stock? O Between 9.5% - 10.5% O Between 8.5% -9.5% O Between 7.5% -8.5% Between 6.5% - 7.5% Between 5.5% -6.5% O Between 4.5% -5.5%