A consulting firm is planning a reengineering project for a client. The following activities and time estimates have been identified.

Activity	Time, Days	Immediate Predecessor
A	1	/
B	2	/
C	2	/
D	2	A, B
E	4	A, C
F	1	C
G	4	D
H	8	G, E, F

a.) Draw a project network diagram.

b.) Calculate the scheduling times and total slack for each activity. (PLEASE SHOW EXCEL FORMULAS, DON'T JUST PUT THE ANSWER!)

c.) List the critical path activities for the project duration.

d.) Assuming that one worker is required for each activity, prepare a resource leveled schedule. What is the maximum number of workers required to finished the project on time? (PLEASE SHOW CALCULATIONS!)