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$,$A$,6],[$D$,$B$,$ C$,4],[$E$,$C$,4],[$F$,$D$,$ E$,9],[$G$,$F$,5],[$H$,$H$,3],[$I$,$G$,12],[$J$,$I. J$,8],[$K$,,6]]$