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 stack time. List the critical activities, and determine the expected duration of the project. a. Activity-on-arrow diagram 10 2 10 12 ES EF LS LF Slack 0 4 11 Summary: Activity 1-2 1-3 2-4 2-5 3-6 NN ES EF LS LF Siack Summary: Activity 1-2 1-3 0 4 11 24 2-5 3-6 4-7 5-8 6-9 7-10 8-10 9-11 10-12 11-12 The critical path is The expected project duration is b. Activity-on-node diagram 18 10 b. Activity on-node diagram 18 10 13 11 ES EF LS LF Slack Summary: Activity 1 2 3 4 5 6 7 8 9 6 7 B 9 The critical path is The expected project duration is