The Tesla 6 is a new custom- designed sports car. An analysis of the task of building the Tesla 6 reveals the following list of relevant activities, their immediate predecessors, and their duration:

Draw a network diagram for the project.
Mark the critical path and state its length.
If the Tesla 6 had to be completed 2 days earlier, would it help to:
i) Buy preassembled transmissions and drivetrains?
ii) Install robots to halve engine- building time?
iii) Speed delivery of special accessories by 3 days?
How might resources be borrowed from activities on the non-critical path to speed activities on the criticalpath?

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IMMEDIATE PREDECESSORS) I TIME(DAYS) NORMAL ETTER DESCRIPTION Start Design COrds spedal accessories Build frame Build doors Attach axdes, wheels gas tank Build body shel Build transmission and G, E Fit doors to bady shell Build engine Bench-test engine L Assemble chassis M Roadtest chassis N Paint tody 0 Instail wiring F, H, K 0.5 install interice QAccept delivery of special accessones R Mount body and M, 0, P, Q accessories on chassis Road test car T Attach exteior trim 0.5 U Finish