A company has developed a new product and has identified the activities necessary for the product promotion campaign as follows: Activity Description Preceding Activity Duration (weeks) A Approval of training budget - 1 B Training of service people A 8 C Training of sales people A 4 D Sales promotion to distributors C 4 E Distribution to distributors D 2 F Distribution to retailers E 4 G Advertising brief A 2 H Advertising contract G 1 I Illustrations and text H 4 J Printing I 4 K Product launch B, F, J 1 REQUIRED Marks 29.1. Construct a network diagram for this project.