Assume you have a project with ten activities labeled A-J, as shown. Derive the earliest completion time (or early fin- ish-EF), latest completion time (or late finish-LF), and slack for each of the following tasks (begin at time = 0). Which tasks are on the critical path? Highlight the critical path on your network diagram.

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Preceding Expected Activity Event Duration EF LF Slack Critical Path? ABCDEFGHI 4 A 5 A 6 A 7 A, D 6 F C, E 5 G D, E 4 E 3 F, G 4 J H, I 5