The Quantity Supplied of a Good Is

The quantity supplied of a good is

A) equal to the difference between the quantity available and the quantity desired by all consumers and producers.
B) the same thing as the quantity demanded at each price.
C) always larger than the quantity demanded at each price.
D) the amount that the people are willing and able to sell during a given time period at a specified price.
E) the amount the firm will sell when it can sell all it wants.