Determine the critical path for the following project using slack. You are required to first develop an AON network diagram for the project.

$\backslash$table$[[$Activity$,$Immediate Predecessor,Duration $($Days$)],[$A$,---,4],[$B$,-------,6],[$C$,-------,6],[$D$,$A$,4],[$E$,$B$,$ C$,4],[$F$,$C$,9],[$G$,$D$,$ E$,5],[$H$,$F$,3],[$I$,$H$,12],[$J$,$G$,8],[$K$,$I. J$,6]]$