What is the critical path for Project DT?What is the shortest possible time required to complete “Project DT”?

LAX Vehicle Manufacturing has reiterated its commitment to the development of environmentally-friendly vehicles

Create a network diagram for activities A-Q, (ii) What is the critical path for Project DT?, (iii) What is the shortest possible time required to complete “Project DT”? (The report for this section should not be more than 600 words or its equivalence).