A construction project is broken down into following activities as listed below:

Activity	Immediate predecessors	Expected time (weeks)
A	-----	7
B	A	5
C	B,G	6
D	C,F	6
E	A	4
F	E	8
G	E	3

Question 28 (4 points)

What is the critical path?

Question 28 options:

	A-E-F-D
	A-E-C-G-D
	A-E-G-C-D
	A-B-C-D

Question 29 (4 points)

How many weeks will the project take to complete?

Question 29 options:

	27
	25
	26
	24

Question 30 (4 points)

Suppose F could be shortened by one week and B could be shortened by two weeks, then the critical path would be:

Question 30 options:

	A-E-G-C-D
	A-E-F-D
	A-E-C-G-D
	A-B-C-D

Question 31 (4 points)

Based on Q31, what the completion date of the project would be?

Question 31 options:

	22
	23
	24
	26