ABC University is planning to offer a special programme for a Technology Adoption in Project Management. The programme coordinator of the University has classified various activities and their time estimates that must be done before conducting the programme. The coordinator has summarized all the activities as the following table. Activity A B C D E F G H I J Description Design brochure and course announcement Identify prospective module-convenors Prepare detailed outline of course Send brochure and students applications Send module-convenor applications Select module-convenor for the course Accept students Select text-book for course Order and receive text-books Prepare room for the class Preceding Activity (ies) A B C, E D F G, H G Activity Time (weeks) 7 8 4 18 10 4 7 7 11 4 You are assigned as the project manager for this project. You are requested to: a) construct the network diagram for the project. b) calculate the earliest and latest starting and finishing times for each activity and their slacks. c) determine the project's critical path and duration.