Multiple Select Rico has been hired as an economic consultant to a large city. He has been specifically tasked with implementing a new urban mass transit plan for the city. The current use of mass transit in the city is growing, as is the population. Citizens are demanding more options. Which of these possible actions might Rico take as he goes on to accomplish his task? (Select all that apply.)

create a cost-benefit analysis of a new light rail line

investigate potential new subcontractors like bus companies and taxi companies to see how much of the existing transportation needs of the city they handle

conduct a study of which historical methods of transit were used in this locality to determine how they shaped the way the city expanded

conduct an assessment of how the local mass transit industry benefits from economies of scale