Using the following information, create an AON network activity diagram. Calculate each activity TE (rounding to the nearest integer), the total duration of the project, its early start, early finish, late start, and late finish times, and the slack for each activity. Finally, show the projects critical path[1]. Assume that the estimates for the pessimistic and optimistic times are made at 99 % level.

[1] In terms of the text book: t_(o) = a, : t_(m) = m, : t_(p) = b

Activitiy Preceding Best Likely Worst

A ------- 12 15 25

B A 4 6 11

C ----- 12 12 30

D B,C 8 15 20

E A 7 12 15

F E 9 9 42

G C,D,E 13 17 19

H E, F 5 10 15

I C, G 11 13 20

J G, H 2 3 6

K J, I 8 12 22