$\backslash$table$[[$Activity$,$Immediate Predecessor$($s$),$Time $($days$)],[$A$,-,4],[$B$,-,6],[$C$,-,2],[$D$,$B$,10],[$E$,$A$,$ D$,3],[$F$,$C$,6],[$G$,$E$,$ F$,12]]$

This exercise contains only parts $b,c,$ and $d.$

b$)$ The critical activities for the leadership training program development project are

c$)$ The project length for the leadership training program development project $=$ days.

d$)$ Slack time for each of the activities is: