please do Slack time for A-G

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 = days. d) Slack time for each of the activities is