5. Given the following information, answer the questions about this project: Expected Duration Predecessors Activity A B D E F G H I 4 days 9 days 11 days 5 days 3 days 7 days 3 days 2 days 1 day A A B B DF E, G H (a) Draw the network as a Gantt chart. (b) What is the critical path? Which activities have slack time? (c) What would happen if activities B and D each took five (5) extra days to complete instead of the expected duration? How would the critical path change