question file is attached

question file is attached
For the following tasks Task Duration Predecessor Successor Constraints B overlaps A by 3 days 12 D,G 3 days take place between G ending and H beginning F,H Draw the Network Chart include task id, duration, ES, EF, LS, LF, slack What is the critical path? What is slack time for tasks F and G? Would the management of the project change if there was determined to be a new task H1 predecessor H successor I with duration 2? Why or Why not? Would the management of the project change if there was determined to be a new task H1 predecessor H successor I with duration 5? Why or why not? What is slack time and lag time? Can the critical path of a project change? Why or why not?