Activity 1

Given the following information, answer the questions about this project: ActivityExpected DurationPredecessorsA4 days—B9 daysAC11 daysAD5 daysBE3 daysBF7 daysCG3 daysD, FH2 daysE, GI1 dayHDraw the network as a Gantt chart.What is the critical path?  Which activities have slack time?What would happen if activities B and D each took 5 extra days to complete instead of the expected duration?  How would the critical path change?