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

\begin{tabular}{|l|r|r|r|} \hline Parameters & garch_coef_PEP & garch_coef_KDP & garch_coef_KO \\ \hline alpha1 & 0.128653184 & 0.066860597 & 0.059142124 \\ \hline \end{tabular} \begin{tabular}{|l|r|r|r|} \hline Parameters & garch_coef_PEP & garch_coef_KDP & garch_coef_KO \\ \hline alpha1 & 0.128653184 & 0.066860597 & 0.059142124 \\ \hline \end{tabular}