Roger Corde 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. Activity Immediate Predecessor(s) Time (days) 3 D E F G B AD EF 6 3 10 4 6 10 This exercise contains only parts b, c, and a 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 - 30 days dy Slack time for each of the activities in Activity Slack Time A