Use the Following Network of Related Activities with Their Duration

Use the following network of related activities with their duration times (weeks)to complete a row for each activity under the column headings below.
$$\begin{array} { | c | c | c | c | c | c | c | c | c | } \hline \text { Actirity } & \begin{array} { c } \text { Immediate } \\\text { Predecessors }\end{array} & \begin{array} { c } \text { Activity } \\\text { Time (weeks) }\end{array} & E S & L S & E F & L F & \text { Slack } & \begin{array} { c } \text { Critical } \\\text { Path? }\end{array} \\\hline \mathrm { A } & & & & & & & & \\\hline \mathrm { B } & & & & & & & & \\\hline \mathrm { C } & & & & & & & & \\\hline \mathrm { D } & & & & & & & & \\\hline \mathrm { E } & & & & & & & & \\\hline \mathrm { F } & & & & & & & & \\\hline \mathrm { G } & & & & & & & & \\\hline \mathrm { H } & & & & & & & & \\\hline\end{array}$$