A$.$ Use the data from the table below to draw the precedence network. Then do the CPM calculations and complete the table below. You must clearly show the critical path. Assume that all activities are contiguous.

$\backslash$table$[[$ct$,$Dur,IPA,Relation,Lag,ES$,$EF$,$LS$,$LF$,$TF$,$FF$],[$A$,10,--,,,,,,,,],[$B$,2,$A$,$SS$,1,,,,,,],[,,$A$,$FF$,2,,,,,,],[$C$,12,$B$,$SS$,3,,,,,,],[,,$B$,$FF$,2,,,,,,],[$D$,3,$C$,$SS$,2,,,,,,],[,,$C$,$FF$,2,,,,,,]]$