Problem 17-5 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 10 5 12 3 Summary: Activity 1-2 1-3 ES EF LS LF Slack 2-5 3-6 4-7 5-8 6-9 7-10 8-10 9-11 10-12 11-12 Activity-on-node diagram 18 4 10 6 5 13