helped to find out thow to determine the depreciation please

\begin{tabular}{r|r|l|l|l|l|l} \hline & & & 27.5yrs. & MM & S/L & \\ \hline & & & 27.5yrs. & MM & S/L & \\ \hline \end{tabular} Section C-Assets Placed in Service During 2021 Tax Year Using the Alternative Depreciation System \begin{tabular}{|l|c|c|c|c|c|} \hline \end{tabular} \begin{tabular}{l|l} \hlineL & \\ \hlineL & \\ \hlineL & \\ \hline System & \\ \hline/L & \\ \hline S/L & \\ \hline 5/L & \\ \hline \end{tabular} Section C-Assets Placed in Service During 2021 Tax Year Using the Alternative Depreciatid \begin{tabular}{|l|l|l|l|l|l|} \hline & & & & & \\ \hline & & & & 12 yrs. & \\ \hline \end{tabular} \begin{tabular}{r|r|l|l|l|l|l} \hline & & & 27.5yrs. & MM & S/L & \\ \hline & & & 27.5yrs. & MM & S/L & \\ \hline \end{tabular} Section C-Assets Placed in Service During 2021 Tax Year Using the Alternative Depreciation System \begin{tabular}{|l|c|c|c|c|c|} \hline \end{tabular} \begin{tabular}{l|l} \hlineL & \\ \hlineL & \\ \hlineL & \\ \hline System & \\ \hline/L & \\ \hline S/L & \\ \hline 5/L & \\ \hline \end{tabular} Section C-Assets Placed in Service During 2021 Tax Year Using the Alternative Depreciatid \begin{tabular}{|l|l|l|l|l|l|} \hline & & & & & \\ \hline & & & & 12 yrs. & \\ \hline \end{tabular}