Problem 1

The following represents a project with known activity times. All times are in weeks.

Activity	Immediate Predecessor	Time
A	-	4
B	-	3
C	A, B	2
D	C	7
E	C	4

Calculate the Critical Path and Project Completion Time.

First draw the network on a separate sheet of paper and then fill the following table:

Activity	Immediate Predecessor	Time	ES	EF	LS	LF	Slack	Critical Path?
A	-	4
B	-	3
C	A, B	2
D	C	7
E	C	4