The Activities, Their Respective Immediate Predecessors, and Activity Times for a Particular

Multiple Choice

The activities, their respective immediate predecessors, and activity times for a particular project are given in the table below. Determine the earliest completion time for this project using a Gantt chart. $\begin{array} { | l | l | l | } \hline \text { Activity } & \text { Immediate Predecessor(s) } & \text { Activity Time(in weeks) } \\\hline \mathrm { A } & \text { None } & 1 \\\hline \mathrm { B } & \text { None } & 1 \\\hline \mathrm { C } & \mathrm { A } & 4 \\\hline \mathrm { D } & \mathrm { B } & 5 \\\hline \mathrm { E } & \mathrm { C } , \mathrm { D } & 5 \\\hline \mathrm { F } & \mathrm { E } & 3 \\\hline \mathrm { G } & \mathrm { F } & 2 \\\hline\end{array}$

A) 14 weeks
B) 16 weeks
C) 18 weeks
D) 20 weeks