1. Which activities have slack in the following diagram? start B 3 E1 finish A4 C 2 D7 F2 a. A, C, D, F b. B, E c. A, C, D, E d. B, D, E 2. What is the latest finish time for activity D in the following diagram? start B3 E 1 finish A4 C2 D7 F 2 a. 6 b. 13 c. 14 d. 15 3. What is the earliest start time for activity D in the following diagram? start B 3 E 1 finish A4 C2 D7 F2 a. 3 b.4 c. 6 d. 7 4. What are the immediate predecessors of activity D in this network? start B3 E1 finish A4 C2 D7 F2 a. A, B, C b. B, C c. E, F d. E, G, H