Question: Please show step by step. I need help. Thanks 3. A network consists of the following list. Times are given in weeks. (10 points) Activity

Please show step by step. I need help. Thanks

3. A network consists of the following list. Times are given in weeks. (10 points)

Activity

Preceding

Duration

ES

EF

LS

LF

Slack

A

--

7

B

A

4

C

A

2

D

A

7

E

D

5

F

C

6

G

H, E

7

H

B

4

I

B, C

6

J

F, I

5

K

G, J

3

a. Draw the network diagram.

b. Determine the ES, EF, LS, LF, and Slack for each activity. Place the answers in the table above.

c. Which activities form the critical path?

d. How much slack exists at activities A and F?

e. What is the duration of the critical path?

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