Draw the node diagram and perform CPM computations $($forward pass, backward pass and total float$).$ Highlight the critical path. $($IPA $=$ immediate Activity Predecessor$)$

$\backslash$table$[[$Activity$,$IPA,Duration,Activity,IPA,Duration$],[$A$,-,2,$H$,$D$,9],[$B$,$A$,7,$I,F$,$ G$,12],[$C$,$A$,10,$J$,$F$,5],[$D$,$A$,4,$K$,$E$,$ J$,5],[$E$,$B$,6,$L$,$G$,$ H$,6],[$F$,$B$,$ C$,5,$M$,$F$,$ H$,4],[$G$,$C$,$ D$,8,$N$,$I, K$,$ L$,$ M$,3]]$