I$)$ Create a CPM network diagram $($AON $-$ Activity on Node$)$ and determine the start and finish times along with the critical path of the project activities listed in Table I. You may work in teams of $2.$

Table I: List of activities for a system derign project

$\backslash$table$[[$Activity ID$,$Activity Description,Preceded by$,$Duration $($days$)],[$A$,$Systems design,$-,2],[$B$,$Subsystem A design,A$,1],[$C$,$Subsystem B design,A$,2],[$D$,$Subsystem C design,A$,1],[$E$,$Program A$,$B$,2],[$F$,$Program B$,$C$,10],[$G$,$Program C$,$D$,2],[$H$,$Subsystem A test,E$,1],[$I$,$Subsystem B test,F$,1],[$J$,$Subsystem C test,G$,1],[$K$,$Integration,H$,$l$,$J$,2],[$L$,$Integration test,K$,1]]$