The aggregate is a) a type of economic system b)the total number of goods demanded or supplied c) a form of revenue d)the total profit made on sales.

Aggregate (also  referred  to  the domestic  final  demand)  is  the  the  total  number   of  goods  demanded  or  supplied (answer  B)It  specifies  the  amount  of  good  and  services that  will  be   purchased  at  all possible  price  level.This  demand  is  the  demand  for  the  gross domestic  product  of  a country.

Correct answer choice is :

B) The total number of goods demanded or suppliedExplanation:

The total level of demand for wanted goods and services that makes up the gross national product. Aggregate interest is the sum of expenditure, investment expenditure, government expenditure, and net commodities. Aggregate performance relates to economy-wide amounts of individual behavior.

Americans often speak of their country as one of several large regions.  these regions are cultural units rather than governmental units --  formed by history and geography and shaped by the economics, literature and folkways that all the parts of a region share. what makes one region different from another? a region's multicultural heritage as well as distinct demographic characteristics like age and occupation make regions different and special. within several regions, language is used differently and there are strong dialects. there are also differences in outlook and attitude based on geography.