Start Activity A B C D E F G H J Time (wks) 11 2 12 9 16 5 2 18 15 a) The Earliest Start (ES) time of Activity I b) The Latest Start (LS) time of Activity B weeks weeks e) The Slack time of Activity C weeks d) The Earliest Finish (EF) time of Activity H-1 weeks e) The Latest Finish (LF) time of Activity B weeks The Project Completion time weeks