please show all work

Below is the process Rover is using to develop a new car. Note tasks A and U have a value of 0. What is the critical path? It is What is the duration? It is days. What could be done to get the project done earlier? Rover could JOS LETTER IMMEDIATE NORMAL PREDECESSOR(S) TIME (DAYS) DESCRIPTION Start 5 A 8 C B 0.1 D B B F G B H B 1 1 Design Order special accessories Build frame Build doors Attach axles, wheels lank Build body shell Build transmission and drivetrain Ft 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 and accessories on chassis Road test car Attach exterior trim 2 L F.HK 1 M 05 N 1 N 1 N 1.5 0 R MO, P. 5 F 0.5 U Finish