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$],[$A$,-,2],[$B$,$A$,6],[$C$,$A$,10],[$D$,$A$,4],[$E$,$B$,7],[$F$,$B$,$ C$,5],[$G$,$C$,$ D$,3],[$H$,$E$,$ F$,5],[$I$,$G$,$ H$,2]]$