Use the Information in the Table to Sketch the Network

Essay

Use the information in the table to sketch the network and compute early and late start times.
$$\begin{array} { | l | l | l |} \hline \text { Activity } & \text { Time } & \text { Predecessor } \\\hline \mathrm { A } & 8 & \\\hline\mathrm { B} & 4 & \text { A } \\\hline \mathrm { C } & 5 & \mathrm {~B} , \mathrm {~F} \\\hline \mathrm { D } & 12 & \mathrm {~A} \\\hline \mathrm { E } & 8 & \mathrm { D } \\\hline \mathrm { F } & 4 & \mathrm { D } \\\hline \mathrm { G } & 9 & \mathrm { E } , \mathrm { F } \\\hline\end{array}$$