2- A project consists the activities shown bellow, all links are Finish to Start (F-S) with Zero duration Duration (weeks) 4 Predecessor --- Activity A B 3 --- C 6 D 1 A, B B E 7 D F 2 C G 5 C,E H 8 E J 4 G K 5 6 3 L M a) Draw the activity network (logic diagram) c) Determine the total time of the project? F,G J, H L.K b) Draw Gantt chart (bar chart) d) Identify the critical path? e) What is the value of float in activities A,D,E,F,K and H