Data on small project is given as below. Draw the AON of the project then determine the critical path time and activities?

$\backslash$table$[[$Activity$,$predecssor,Duration$/$week$],[$A$,-,9],[$B$,-,6],[$C$,-,4],[$D$,$A$,10],[$E$,$A$,16],[$F$,$B$,9],[$G$,$B$,5],[$H$,$C$,8],[$I$,$D$,$E$,4],[$J$,$F$,$G$,6],[$K$,$I,$7]]$