A design project involves 8 activities and their time estimates are listed in the following table. All durations are in weeks.

Activity	Immediate Predecessor	Duration	No.of men required
A	-	4	1
B	-	7	1
C	-	8	2
D	A	5	3
E	C	4	1
F	B,E	4	2
G	C	11	2
H	G,H	4	1

A.Draw the project network and find the critical path.

B.Draw time-scale network as per EST and load the resources

C.if there were only three men available at any one time,how long would the project take and how would you allocate the men to the activities?