Consider a project with the following activity list

Activity	Immediate Predecessors	Estimated Duration (months)
A	____	1
B	A	2
C	B	4
D	B	3
E	B	2
F	C	3
G	D,E	5
H	F	1
I	G,H	4
J	I	2
K	I	3
L	J	3
M	K	5
N	L	4

a. Construct the project network for this project.

b. Find the earliest start time and earliest finish time for each activity.

c. Find the latest start time and latest finish time for each activity.

d. Find the slack for each activity. Which of the paths is a critical path?

 e. What is the critical path?