In a natural monopoly, a. society would be better off if antitrust laws were used to create many different firms in the market. b. the marginal cost curve is positively sloped. c. if the government requires marginal cost pricing, it will likely have to subsidize the firm.

C.

Explanation:

In a natural monopoly,  if the government requires marginal cost pricing, it will likely have to subsidize the firm. That is because as a natural monopoly they do not have other firms that can provide assistance in order to lower the costs of producing additional units, therefore their only actual option is to finance the costs themselves.

answer: a. the kind of population living in your neighbourhood.

the census explorer data tool by the us census bureau allows the user to zoom in on any neighbourhood within the united states and find the kind of people residing in that by race and age.  

the tool needs to needs to be used twice – once in order to find what type of people reside in a neighbourhood, and then to see the age groups of the people in the same neighbourhood.