ANSWER THE QUESTION BELOW (QUESTION 3.16 ON PAGE 95) The Rover 6 is a new custom designed sports car. An analysis of the task of building the Rover 6 reveals the following list of relevant activities, their immediate predecessors, and their duration: HOW LETTES RATE NORMAL SORODANO GO Sant De Order special actories Build frame Huild doors Aschade wheel 5 3 + o : 2 Build body she tuld transmission and 1 3 . . 4 2 .MK . e doors to bodyshel + tuld engine Benchestene Assemble cha Mastest chase N Paint body . taller O Acry of os 2 N N 15 C 5 R WO. 1 5 Mount body and con on chassis Road testar Attacheter 03 + a) Draw a network diagram for the project. b) Mark the critical path and state its length. c) If the Rover 6 had to be completed 2 days earlier, would it help to: 1) Buy preassembled transmissions and drivetrains? ii) Install robots to halve engine-building time? m) Speed delivery of special accessories by 3 days