Activity	Activity Time (days)	Immediate Predecessor(s)
A	3
B	3	A
C	5	A
D	4	B
E	1	B
F	5	B, C
G	2	D, E
H	3	F
I	5	F
J	6	G, H, I

The critical path is A-C-F-I-J and the project duration is 24 days.

How much slack is in each of the activities G, H, and I?

Activity	Activity Time (days)	On critical path?	Slack (days)
G	2	No Yes	enter your response here
H	3	Yes No	enter your response here
I	5	Yes No	enter your response here