Colonial State College is considering building a new athletic complex on campus. The complex would provide a new gymnasium for intercollegiate basketball games, expanded office space, classrooms, and intramural facilities. The activities that would have to be completed before beginning construction are listed below.

Activity	Description	Immediate Predecessors	Time (weeks)
A	Survey building site	-	6
B	Develop initial design	-	8
C	Obtain board approval	A, B	12
D	Select architect	C	4
E	Establish budge	C	6
F	Finalize design	D, E	15
G	Obtain financing	E	12
H	Hire contractor	F. G	8

Required:

a. Develop a network for this project. (8 marks)

b. Identify the critical path (include EST. EFT, LST, LFT and the Slack Variable). (12 marks)