Answer part (iv) only

A project has the following activities which need to be completed Activity No. Time (weeks) Immediate Predecessors 1 2 3 NN 3 2 2 6 1 2 2 4 Activity Collect requirements Analyze processes Analyze data Design processes Design data Design screens Design reports Program Test and document Install 3 5 6 3 2 7 4 8 3,4 4,5 6,7 7 8,9 5 7 2 9 10 i. Draw the network diagram for the above activites. ii. Determine the earliest expected completion time for the project (show the calculation processes). 111. Draw the Network Diagram with slack time. Te and T in the drawing, and indicate the critical path of the project (show the detail steps) based on the constructed network diagram. iv. if the completion time of activity 6 is changed to be 6 weeks, what will be the change on the criticle path (show the detail calculation processes and the clear network diagram)