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

This exercise contains only parts b, c, and d.Part 2b) 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.