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	minus	2
B	minus	5
C	minus	1
D	B	10
E	A, D	3
F	C	6
G	E, F	8

b) The critical activities for the leadership training program development project are __________.

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

d) Slack time for each of the activities is: Activity Slack Time A, B, C, D, E, F, G.