Interpret and compare the estimate of beta for each of the three companies.

\begin{tabular}{l|r|r|r|} \hline Parameters & garch_coef_PEP & garch_coef_KDP & garch_coef_KO \\ \hline beta1 & 0.823235644 & 0.907711638 & 0.934894751 \\ \hline \end{tabular} \begin{tabular}{l|r|r|r|} \hline Parameters & garch_coef_PEP & garch_coef_KDP & garch_coef_KO \\ \hline beta1 & 0.823235644 & 0.907711638 & 0.934894751 \\ \hline \end{tabular}