A Learning Management System project has been defined to contain the following list of activities along with their required times for completion. Task ID Task description A B с D () E F G H Identify functional requirements specification Identify and specify the necessary software and hardware Software implementation based on design specifications Perform software testing Prepare and design the software architecture 8 Design software modules based on requirements 4 specification User acceptance testing Prepare software documentations Duration (weeks) Train users 4 6 6 3 2 1 2 Tasks A, B and C can be undertaken at the same time, but A and B must be completed before D can start. Tasks C and D must be completed before E can begin. Task E must be completed before F and G can start. Tasks F and G can be carried out at the same time, but both must be completed before H can start. Task I can begin after H is completed. b-1) Draw an activity network diagram based on the activities given in the above table. Find earliest time, latest time and slack time for each activity. b-2) Use the information from the activity network diagram to determine the critical path for the Learning Management system project.

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