Activity Activity Time (days) Immediate Predecessor(s)

A 4 -

B 4 A

C 3 A

D 3 B

E 1 B

F 6 B, C

G 2 D, E

H 6 F

I 5 F

J 5 G, H, I

The critical path is A-B-F-H-J and the project duration is 25 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	7
H	6	Yes	0
I	5	No	1

• Use the same data above and create a Gantt chart.
• Name the activity in Row 1 as "Project" and indent all the other activities as sub-tasks under "Project."
• Insert columns for Total slack, ES, EF, LS, LF