Text: Weekly Labor Duration (wk) Predecessor Activity Weekly Cost ($1000) S 6 N 4 Draw the Gantt chart showing slack time for each activity. Draw the activity-on-node network to model this project. N Draw the corresponding worker loading profile for early start times. E 3 4 C 4 V C 3 4 B, C M E N N T 3 T 3 5 H 5 2 4 4