Consider the following data for a project to install a new server at the Northland Pines High School:

Activity	Activity Time (days)	Immediate Predecessor(s)
A	3
B	3	A
C	6	A
D	3	B
E	1	B
F	7	B, C
G	3	D, E
H	3	F
I	5	F
J	5	G, H, I

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

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