Question 2 Use the information contained below (Table Q2): i. Develop the Activity-on-Node and determine the critical activities (10 marks) ii. Reduce the schedule until you reach the crash point of the network. For each move identify what activity(s) was crashed, the adjusted total cost, and explain your choice if you have to choose between activities that cost the same. The total cost at 21 days is RM550. (Note: Crash point of the network is the point in which the duration cannot be reduced any further) (10 marks) Activity Predecessor Table Q2 Duration Cost Time (RM) 4 50 5 70 5 80 40 Duration Cost Time (RM) 0 Maximum Crash Time A B None A 2 0 3 1 4 4 E on on 2 1 190 120 120 140 90 100 110 = B o w wWN G 60 50 70 80 50 F,D ED 1 I 1 1 G H 0 0 [TOTAL: 20 MARKS]