In a Market,to Find the Total Amount Supplied at a Particular

Multiple Choice

In a market,to find the total amount supplied at a particular price,we must

A) sum the quantities that individual firms are willing and able to supply at that price.
B) calculate the average of the quantities that individual firms are willing and able to supply at that price.
C) sum the costs that individual firms incur to supply the product at that price.
D) account for all determinants of demand.