Which of the Following Best Defines the Term Aggregate Output

Which of the following best defines the term aggregate output?
The total quantity and quality of goods and services that a country's citizens can purchase with the currency used in their economic system
The measure of economic growth that compares how much a system produces with the resources needed to produce it
The pattern of short-term ups and downs in an economy
The total quantity of goods and services produced by an economic system during a given period
The conditions of the economic system in which an organization operates