2 3 3 . Activity Immediate Duration Predecessor (Weeks) A 2 B 3 . 2 D 4 E C 4 F 3 G 5 H F, G 2 a) Draw the activ network. b) List all possible paths from the start node to the finish node. c) Compute the duration of each path in part (b). d) Identify the critical path and the critical activities. e) What is the duration of the whole project? 5 , E 0 7 D, E