apply regresssion on excel and do an interpretation of the results

\begin{tabular}{l|l|} \begin{tabular}{l|l} Year \\ Sales \end{tabular} & 1951MMAD \\ \hline Operating profit & 315MMAD \\ \hline Net income & 190MMAD \\ \hline Net Margin & 9.71% \end{tabular} Operating Margin . 16.24\% \begin{tabular}{|l|l|} \hline Year & \multicolumn{2}{|c|}{2018} \\ \hline Sales & 1567M MAD \\ \hline Dperating profit & 72M MAD \\ \hline Net income & 16M MAD \\ \hline Net Margin & 1.01% \\ \hline Operating Margin & 4.60% \\ \hline \end{tabular} \begin{tabular}{|l|l|} \hline Year & \multicolumn{2}{|c|}{2019} \\ \hline Sales & 1710MMAD \\ \hline Operating profit & 79MMAD \\ \hline Net income & 12MMAD \\ \hline Net Margin & 0.71W \\ \hline Operating Margin & 4.59K \\ \hline & \multicolumn{2}{|c|}{2020} \\ \hline Year & \multicolumn{1}{|c|}{1448MMAD} \\ \hline Sales & $1MMAD \\ \hline Operating profit & (42) M MAD \\ \hline Net income & (2.8K) \\ \hline Net Margin & 354 \\ \hline \end{tabular} Operating Margin 3.54 \begin{tabular}{|l|l} \hline Year & \multicolumn{2}{|c}{2021} \\ \hline Sales & 1734MMAD \\ \hline Operating profit & 121MMAD \\ \hline Net income & 41MMAD \\ \hline Net Margin & 235% \\ \hline \end{tabular} Operating Margin 7.00%