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 BDEG. c) The project length for the leadership training program development project = days. Slack time for each of the activities can be determined by determining for each of the activities first the Early Start and Early Finish times by completing the forward pass and then the Late Finish and Late Start by completing the backward pass. Relationship for slack time is: Slack x=( Late Finish x Early Finish x) or ( Late Start x Early Start,) After completing the forward and backward passes, using the above relationship, determine the slack time for