ASAP!!! draw AON diagram with ES LS EF AND LF marked

\begin{tabular}{|c|c|c|} \hline Activity & Duration in days & \begin{tabular}{c} Immediate \\ Predecessors \end{tabular} \\ \hline A & 2 & - \\ \hline B & 1 & A \\ \hline C & 3 & A \\ \hline D & 1 & B, C \\ \hline E & 2 & D \\ \hline F & 3 & D \\ \hline G & 2 & E \\ \hline H & 2 & F, G \\ \hline \end{tabular}