Problem 17-5 (Static) For each of the problems listed, determine the following quantities for each activity: the earliest start time, latest start time, earliest finish time, latest finish time, and slack time. List the critical activities, and determine the expected duration of the project. a. Activity-on-arrow diagram & ES EF LS LF Slack Summary: Activity 1-2 1-3 2-4 2-5 3-6 4-7 58 6-9 7-10 8-10 9-11 10-12 11-12 The critical path is The expected project duration is