Consider the following project activities: ACTIVITY DURATION (DAYS) PREDECESSORS A 4 None B 3 A 7 A D 9 E 8 A F 7 B G 6 H 13 1 4 D, E J 12 E K 1 E L 5 F, G, H M 4 I, J, K N 5 L, M a. (*) Draw the project network diagram. b. (*) Identify all the paths through the network and their lengths. c. (**) Identify all the critical activities and path(s). How long will the entire project take? d. (**) After you complete part b and before you perform the forward and backward passes, you should already be able to tell that activities A and N are on the critical path(s). Why? DURATION (DAYS) 4 CRITICAL PATH? ES EF LS LF ACTIVITY A Slack PREDECESSORS None A A B 3 C 7 9 D E 8 F G H 7 6 13 4 12 - 1 E J K 1 5 L G TI M 4 J N 5 M b.) Length: Paths: A-B-F-L-N Comments d.) Comments