Job Letter Description Immediate Predecessor(s) Activity Time (Days) 0 A B A 8 B 0,1 D B E B 1 F D G B 2 B 3 GE 1 J B 4 K Start Design Order special accessories Build frame Build doors Attach axles, wheels gas tank Build body shell Build transmission and drive train Fit doors to body shell Build engine Bench - test engine Assemble chassis Road-test chassis Paint body Install wiring Install interior Accept delivery of special accessories Mount body & accessories on chassis Road test - car Attach exterior trim Finish 2 L F, H, K 1 M L 0,5 2 N I 0 N 1 P N 1,5 5 Q R M, O, P, Q R 1 S 0,5 T S 1 U T 0 Problem Statement: An analysis of the task of building a special car ordered reveals the above list of relevant activities, their immediate predecessors, and their durations. Assignment: Draw an A-O-N diagram for the project, calculate Earliest Start (ES), Earliest Finish (EF), Latest Finish (LF) and Latest Start (LS) times for each activities and answer to the following questions? Questions: What is critical path? What is the project completion time? If frame building activity (Activity D) is delayed 2 days (Executed in 3 days instead of 1 day), what will be the effect of this delay to the project completion time? (What will be the project completion time in this case?)