1. Draw an activity-on-arrow Network Diagram for this project and find the shortest time to assemble the telescopic gunsig.
2.   

Operation Raise works order Extract and circulate drawings Raise purchase requisitions Prepare production paperwork Issue production paperwork Place purchase orders Piece part tools taken from store Final assembly tools taken from store Raw material delivered Part 6 delivered Part 7 delivered Part 8 delivered Part 9 delivered Part 1 machined Part 2 machined Part 3 machined Part 4 machined Part 5 machined Inspect part 1 before finishing Inspect part 1 after finishing Inspect part 2 before finishing Inspect part 2 after finishing Inspect part 3 before finishing Inspect part 3 after finishing Inspect part 4 before finishing Inspect part 4 after finishing Inspect part 5 before finishing Inspect part 5 after finishing Inspect part 6 Inspect part 7 Inspect part 8 Inspect part 9 Anodise part 1 Anodise part 2 Anodise part 3 Anodise part 4 Anodise part 5 Raw material inspected Final assembly Final inspection Pack Dispatch Duration Abb'n Dependency (days) 1 2 3 4 1 2 1 1 7 3 5 14 3 2 3 7 23 1 1 2 1 3 1 4 2 2 1 1 1 1 1 2 2 3 2 2 1 521 1 A B C D E F G H 1 J K L M N O P Q R S T U V W X Y Z AA BB CC DD EE FF GG HH || JJ KK LL MM NN 00 PP