At different market returns during a period of 15 years, the following information is the security returns for a stock in a company called Zetax Inc. Year 1 2 3 4 5 8 9 10 11 12 13 14 15 6 7 Security 5.5% 4.4% 12.0% 22.0% 5.5% 5.5% -4.4% -2.2% 22.0% 6.6% 5.9% -4.4% 9.9% 9.0% 6.6% Market 4.4% -6.6% 8.8% 14.3% 12.1% 4.4% -6.6% 7.7% 14.3% 12.1% 5.0% -6.6% 8.8% 15.3% 12.1% Using the regression analysis tool under Microsoft Excel, the beta coefficient for Zetax Inc. equals 0.95 0.85 0.75 0.65 0.55