Given:

activity A is a starting activity.

A is the pre-requisite of E and D

F followed right after B

G can only start once D and F have been accomplished

K is an ending activity which followed by B and H, respectively

I is also a prerequisite of K

C precedes L

L is an ending activity

J is and ending activity which happens to be the successor of activities E and G

A - 12

B - 12

C - 25

D - 20

E - 23

F - 8

G - 11

H - 25

I - 8

J - 18

K - 15

L - 30

Draw the Diagram and identify the critical path