A construction manager is responsible for developing a new site for residential home construction. He has identified the following activities, their predecessor activities, and their expected duration:

Task	Predecessors	Duration (Days)
A. Final Purchase		2
B. Surveying	A	4
C. Permitting	A	6
D. Road Grading	B, C	5
E. Electrical Lines	C	4
F. Storm and Sewer	D	7
G. Paving	E, F	6
H. Tree Removal	E	2
I. Clearing Lots	G, H	6
J. City Inspection	I	2

1. Draw the network diagram representing this project.
2. use the forward and backward pass method to label the network in full. give a full schedule table activity (es, ef, ls,lf, and slack)
3. identify critical path and project completion time.