Draw the network diagram by using AON technique for the following activities, define the located activities on the critical path, define the total project duration, and find all of ES, EC, LS, LC, TF, and FF. Activity Preceding Activity Time, (Weeks) A 9. B C C A 5 D , , 4 E A 6. F E 11 G C,D H D, E 10 ,, G 12 J D,G, H K G,I,J 10 , , F 13 M H,J,L 14 J,K, M 9.