Explain them with statements too

A project has been defined to contain the following list of activities, along with their required times for completion: ACTIVITY TIME (DAYS) IMMEDIATE PREDECESSORS . 1 B A 4 3 A A D E 7 6 B 2 CD 7 LUI - E, F D 9 4 GH a. Draw the critical path diagram. b. Show the early start and early finish times. c. Show the critical path. d. What would happen if activity F was revised to take four days instead of two