$\backslash$table$[[$Activity$,$Predecessor$($s$),$Duration $($days$)],[$A$,-,4],[$B$,-,3],[$C$,$A$,$ BI$,5],[$D$,$B$,4],[$E$,$C$,4],[$F$,$D$,$ E$,7],[$G$,$E$,6],[$H$,$F$,$ G$,4],[$I$,$D$,9],[$J$,$G$,$ I,$6]]$

Develop the project schedule using the critical path method, indicating the early start, carly finish, late start, late finish, and slack for each activity. What is the project duration, and which activities are critical? $$ s a hint, note that both activities $$ and $B$ have no predecessor activities, and both activities $H$ and $J$ have no successor activities.