Assume you have a project with ten activities labeled A-J, as shown. Derive the earliest completion time (or early finish-EF), latest completion time (or late finish-LF), and slack for each of the following tasks (begin at time = 0). What tasks are on the critical path? Highlight the critical path on your network diagram.

Activity	Preceding Event	Expected Duration	EF	LF	Slack	Critical Path?
A	-	4
B	A	5
C	A	6
D	A	7
E	A, D	6
F	C, E	5
G	D, E	4
H	E	3
I	F, G	4
J	H, I	5

Explain what would happen if:

1. Task E is postponed by 3 days

2. Task G is postponed by 2 days