Example $2\mathrm{.}30$

For a small project of $12$ activities, the details are given below. Draw the network and find earliest

occurrence time, latest occurrence time, critical activities and project completion time. Perform a

complete float analysis. The duration is in days.

Activity A B C D E F G H I J K L

Predecessor$($s$)$ B$,$C A C E E D$,$ F$,$ H E I, J G

Duration $94787510869102$