Immediate Activity Duration (Days) Predecessor A 5 none B 1 none с 5 none D 3 A E 3 B F 6 с G 4 D, E H 10 F I 7 F J 5 H K 3 L 1 G, J, K Task Immediate Successors None Latest Completion Latest Start Slack L es K L J L 1 K H J G L H, ח ח ס ס ס D G с ס ס ח ח ס B A A D