7) Activity A Initial Analysis B Final Analysis C Production D Test E Install Duration 2.5 weeks Predecessor ES EF LS LF Slack none 3 weeks A 8 weeks A 4 weeks B.C 1.5 weeks D a) Draw a network diagram for this project. b) Identify the critical path. (You may either write the path in terms of the letters or tasks, or you can visually display the critical path on your network diagram). c) Complete the table by identifying: the early start, early finish, late start, late finish, and slack for each activity, and the critical path for the project: d) Draw two possible Gantt charts for this project