Q5. Find slack time using cpm approach?

Activities

Time days

a m b

Immediate predecessor

A

3

6

8

-

B

2

4

4

-

C

1

2

3

-

D

6

7

8

C

E

2

4

6

B,D

F

6

10

14

A,E

G

3

6

8

A,E

H

3

6

9

F

I

10

11

12

G

J

14

16

20

C

K

4

8

..

H,I