Inflows or other enhancements of assets of an entity or settlements of its liabilities from delivering or producing goods, rendering services, or other activities that constitute the entity's ongoing operations.

REVENUES

Explanation:

Revenue, often referred to as sales, are the inflows or other enhancements of assets of an entity or settlements of its liabilities (Income) received from the entity's ongoing operations. Includes discounts and deductions for returned merchandise. It is the first income on a company's Income Statement from which all charges, costs, and expenses are subtracted to arrive at net income.

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.