Aggregate supply is defined as
a. the total amount of goods and services in the economy that'll be produced at all possible price levels.
b. the market value of all final goods and services produced within a country in a given period of time.
c. the total amount of goods and services demanded at a specific price and measured time period.
d. the dollar value at current market prices of all final goods and services produced annually by factors of production owned by residents of a given country.