Schedule the following activities using CPM:

$\backslash$table$[[$Activity$,$Immediate Predecessor,Time $($weeks$)],[$A$,-,1],[$B$,$A$,4],[$C$,$A$,3],[$D$,$B$,2],[$E$,$C$,$ D$,5],[$F$,$D$,2],[$G$,$F$,2],[$H$,$E$,$ G$,3]]$

a$.$ Draw the network.

b$.$ What is the critical path?

c$.$ How many weeks will it take to complete the project?

d$.$ Which activities have slack, and how much?