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: Activity Immediate Predecessor(s) Time (days)

A 10

B 6

C 3

D B 2

E A, D 5

F C 6

G E, F 8

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

The critical activities for the leadership training program development project are A - E - G.

c) The project length for the leadership training program development project = 23 days.

d) Slack time for each of the activities is:

Please show detail on HOW to calculate the slack time