Include table in this format with workings.

With reference to the table below, determine the activities that are on the critical path and the expected \begin{tabular}{l|l|l|l|l|l|l|l} & & & Earliest & Earliest & Latest & Latest & \\ Activity & Preceeding & Duration & Start & Finish & Start & Finish & Slack/Float \\ \hline A & & & & & & & \\ \hline B & & & & & & & \\ \hline C & & & & & & & \\ \hline D & & & & & & & \\ \hline E & & & & & & & \\ \hline F & & & & & & & \\ \hline G & & & & & & & \\ \hline H & & & & & & & \\ \hline I & & & & & & & \\ \hline J & & & & & & & \\ \hline K & & & & & & & \\ \hline \end{tabular}