Perform a CPM graph with the ES$,$ EF$,$ LS and LF$.$

Identify the Critical path

Perform a PERT by the largest path and by the Critical path

Perform an example of a $S$ curve with the information in the table.

$\backslash$table$[[$Activity$,$Predecessor,Relation,Duration$],[5,-,-,5],[10,5,$FS$,3],[15,5,$FS$,2],[20,15,$SS$,2],[25,10-15,$FS $-$ F$-$S$,4],[30,25,$SS$,3],[35,25-20,$FS $-$ FS$,2],[40,35,$FS$,4],[45,40-30,$SS $-$ FS$,2],[50,45,$FS$,3],[55,50,$SS$,1],[60,50-55,$FS $-$ FS$,4]]$

Someone can help me with this one please.