PERT diagram

Cherry Jones owns a homeopathic medicine company called Faithhealers. She sells vitamins and other relatively nonperishable products for those who want choices regarding alternative medicine. Cherry is developing a new system that would require her staff to be retrained. a) Construct a PERT diagram for her and identify the critical path. (20 points) Description Task Must Follow Time Interview Executives A None 6 Interview staff in orders fulfillment B None 3 Design input prototype C B 2 Design output pro-type D A,C 3 Write use cases E A,C 4 Record staff reactions to prototypes F D 2 Develop system G E,F 5 Write up training manual H B,G 3 Train staff working in order fulfillment I H 2 b) If Cherry could find away to save time on the “write use cases” phase, how would it help? (30 points)