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:

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

b$)$ The critical activities for the leadership training program development project are B $-$ D $-$ E $-$ G $.$

c$)$ The project length for the leadership training program development project $=28$ days.

d$)$ Slack time for each of the activities is: $($GIVE TIME FOR A THROUGH G$)$