Problem #1: Refer to the project described below. Construct an AOA network for this project. (2 pts)

Activity

A

B

C

D

E

F

G

H

I

J

K

L

Predecessor

-

-

-

A

C

A

B,D,E

C

H

F,G,I

H

J,K

Duration (weeks)

3

2

4

5

2

1

3

2

3

4

2

3

Problem #2: Refer to the project described below. Construct an AOA network for this project. (2 pts)

Activity	A	B	C	D	E	F	G	H	I
Predecessor	-	-	A	A	B, D	A, E	C, F	A, E	G,H
Duration (weeks)	3	2	4	5	2	1	3	2	3

Problem #3: A project involving the development of a communication module at a telecommunication company consists of totally 13 activities. The immediate predecessors and activity time (in weeks) are shown below. Complete the network diagram and answer the 4 multiple-choice questions. (6 pts)

Activity	Predecessor	Time duration (in weeks)			te = ?	slack
		to	tm	tp
A	--	2	3	4
B	A	3	4	11
C	A	2	3	4
D	A	3	5	7
E	C	4	5	6
F	C	2	3	4
G	C, D	4	5	12
H	C, D	2	3	10
I	B, E	3	4	5
J	F, G	7	8	9
K	H	2	3	4
L	J, K	3	4	5
M	I, L	1	8	9

1. What is the Total Project completion Time?

2. Identify the Critical Path (list of activities).

3. Calculate the slack for each activity and fill in the table.