E Homework: Homework: Chapter 3 Dave's earliest start (ES) and earliest finish (EF) are: Dave Fletcher was able to determine the activity times for constructing his laser scanning machine. Fletcher would like to determine ES, EF, LS, LF, and slack for each activity. The total project completion time and the crit Here are the activity times: Time Activity (weeks) A 5 BCD Question 1, Problem 3.15 Part 1 of 26 633 Immediate Predecessor(s) A A Activity A Activity E F G H ES Time (weeks) 4 6 9 6 EF 5 HW Score: 16.67%, 0.5 of 3 points O Points: 0 of 1 Immediate Predecessor(s) B B C, E D, F Dave's earliest start (ES) and earliest finish (EF) are: Dave's latest start (LS) and latest finish (LF) are: Activity ABU OWL UT D E G Activity H 11 F B ES - SOD LS 8 7 2TON HSE 5 10 LF The slack times are: The activities on the critical path are The total project completion time for Dave = weeks Activity Slack ABC O EL OI G H