a. Choose the correct network diagram below. O A. E O C. b. Calculate the critical path for this project. The critical path is A-C-F-H-J and the project duration is 27 days. (Enter your response as a whole number.) c. How much slack is in each of the activities G, H, and I? Activity A B C D E F G H I J Activity Time (days) Immediate Predecessor(s) 2 4 A 5 A 2 B 1 B 8 B, C 3 D, E 5 F 4 F 7 G, H, I Activity G H Activity Time (days) 3 5 O B. On critical path? Slack (days)