#$10\mathrm{.}1110\mathrm{.}11$ Given the following information, answer the questions about this project: $[[$Activity$,$Expected Duration,Predecessors$],[$A$,4$ days,$-],[$B$,9$ days,A$],[$C$,11$ days,A$],[$D$,5$ days,B$],[$E$,3$ days,B$],[$F$,7$ days,C$],[$G$,3$ days,$2$days$],[$H$,1$ day,E$,$ G$],[$I$,,$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 $5$ extra days to complete instead of the expected duration? How would the critical path change?