A publisher has a contract with an author to publish a textbook. The (simplified) activities associated with the production of the textbook are given below.

Activity Predecessor(s) Duration
A: manuscript proofreading by editor - 3
B: sample pages prepared by typesetter - 2
C: book cover design - 4
D: preparation of artwork for figures - 3
E: author's approval of edited manuscript A, B 2
F: book typesetting E 2
G: author checks typeset pages F 2
H: author checks artwork D 1
I: production of printing plates G H 2
J: book prodcution and binding C, I 4

Develop the associated network for the project.