Does anyone know how to do this question?

1. Below are the employee namelist for Jan and Feb. Please use Excel to calculate the onboarding/offboarding numbers, and also state the onboarding/offboarding employee names. \begin{tabular}{|l|} \hline \multicolumn{1}{|c|}{ Jan } \\ \hline Amanda \\ \hline Mat \\ \hline Yvonne \\ \hline Beatrice \\ \hline Claire \\ \hline Toby \\ \hline Grayson \\ \hline Zach \\ \hline Penny \\ \hline Janice \\ \hline Ron \\ \hline Samuel \\ \hline \end{tabular} \begin{tabular}{|c|} \hline Feb \\ \hline Samuel \\ \hline Grayson \\ \hline Penny \\ \hline Lindsay \\ \hline Fiona \\ \hline Xavier \\ \hline Yvonne \\ \hline Beatrice \\ \hline Toby \\ \hline Dennis \\ \hline Claire \\ \hline Howard \\ \hline Janice \\ \hline Eva \\ \hline \end{tabular} 1. Below are the employee namelist for Jan and Feb. Please use Excel to calculate the onboarding/offboarding numbers, and also state the onboarding/offboarding employee names. \begin{tabular}{|l|} \hline \multicolumn{1}{|c|}{ Jan } \\ \hline Amanda \\ \hline Mat \\ \hline Yvonne \\ \hline Beatrice \\ \hline Claire \\ \hline Toby \\ \hline Grayson \\ \hline Zach \\ \hline Penny \\ \hline Janice \\ \hline Ron \\ \hline Samuel \\ \hline \end{tabular} \begin{tabular}{|c|} \hline Feb \\ \hline Samuel \\ \hline Grayson \\ \hline Penny \\ \hline Lindsay \\ \hline Fiona \\ \hline Xavier \\ \hline Yvonne \\ \hline Beatrice \\ \hline Toby \\ \hline Dennis \\ \hline Claire \\ \hline Howard \\ \hline Janice \\ \hline Eva \\ \hline \end{tabular}