 
Harris B. answered  05/21/21
Business Academic Tutor
AD is the total expenditure on goods and services exchanged in the economy.
AD curve represents the total quantity of demand at different prices at a particular time.
AS is the total volume of goods or services producers are willing to sell in the economy.
AS curve represents total output producers sell at a particular price. AS deals with real GDP.
AD deals with final goods.
AS and AD are macroeconomic terms that represent the whole economy,
To derive both curves, you need data on price, quantity supplied and demanded at a particular time.
You can get more information on google.
 
     
             
                     
                    