Consider a project with the following information. Construct the project activity network using the:

Activity	Duration	Predecessors
A	3	-
B	5	A
C	7	A
D	3	B, C
E	5	B
F	4	D
G	2	C
H	5	E, F, G

(a) Activity On Arrow (AOA) methodology and appropriately label each node and arrow. Identify all dummy activities required to complete the network.

(b) Also identify critical path using forward pass and backward pass methods and show activities slack.