Roger Ginde is developing a program in supply chain management certification for managers. Ginde has listed a number of activities that must be completed before a training program of this nature could be conducted. The activities, immediate predecessors, and times appear in the accompanying table:

$\backslash$table$[[$Activity Immediate Predecessor$($s$)$ Time $($days$)],[$A$,-,3],[$B$,-,5],[$C$,-,3],[$D$,$B$,10],[E,A,D,4],[F,$C$,6],[$G$,E,F,10]]$

This exercise contains only part a$.$

a$)$ The correct precedence diagram for the project is shown in