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provide the answer TO EACH QUESTION CLEARLY please!!!

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Use the following scenario and data for questions 21 to 30 The Athletic Department of a state university is planning a holiday basketball tournament. The activities, as well as their immediate predecessors and expected times are given in the following table. Activity Immediate Predecessor(s) Expected Time (days) 3 A B A 5 10 - D Description Team selection Mail invitations and receive acceptances Arrange accommodations Design promotional materials Print promotional materials and tickets Sell tickets Complete arrangements Develop practice schedule I Practice sessions Conduct tournament E F B D E B,C G H F1 5 15 8 G H 1 2 3 QUESTION 21 Which of the following network is a good representation of the predecessor relationships of the activities? 31 B 5 F 151 Start 3 Finish H 10 G 8 Ulo o 0 A w F 15 J Start Finish G 1000 10 H ) B 5 E F 15 Start J 3 Finish 10 H 8 B D Wod Start Finish 10 8 151 " O None of the above. QUESTION 22 The earliest start time and latest start time of activity C are, respectively, O 0,8 O 1,10 O 8,10 O 8, 18 O 10, 18 QUESTION 23 The earliest finish time and latest finish time of activity D are, respectively, O 3,3 O 3,8 O 8,8 O 8,11 O 11, 11 QUESTION 24 The latest start time and latest finish time of activity E are, respectively, O 5,5 O 5, 11 O 11, 11 O 11, 16 O 16, 16 QUESTION 25 The earliest start time and earliest finish time of activity Gare, respectively, O 8, 10 O 10, 18 O 10,26 O 18,26 O 26, 26 QUESTION 26 The latest start time and earliest finish time of activity I are, respectively, 21, 23 O 23, 29 O 29, 23 O 29, 31 O 31, 31 QUESTION 27 The slack time of activity B in days is O 3 O 5 O 6 O none of the above QUESTION 28 The slack time of activity H in days is O 8 O 18 O 24 O none of the above QUESTION 29 The activities on the critical path are O C, G, H, I, J O A, B, G, H, I, J O A, B, D, E, F, J O A, B, C, G, H, 1 O none of the above QUESTION 30 The total time in days needed to finish the project is O 21 O 23 O 29 O 31 O none of the above