10. Develop the network diagram for the project below. Find the early, late and slack times for each activity. Identify and state the critical path. [20] Activit Duratio Finish-to-Start Finish-to- Additional Lag Lag y n (days) Predecessor Start Lag Relationships A 5 None 0 None 0 B 10 A 0 None 0 C 15 A 0 None 0 D 5 B 5 Finish-Finish D to E 25 E 20 B 0 Finish-Finish E to F 0 F 15 D 0 None 0 G 10 C 10 Finish-Finish G to F 10 H 20 F 0 None 0