\begin{tabular}{ccc} & Precceeding Activity & Duration \\ \hline\( A \) & None & 3 \\ \hline\( B \) & \( A \) & 2 \\ \hline\( C \) & \( A \) & 3 \\ \hline\( D \) & \( A \) & 4 \\ \hline\( E \) & \( C