What is the difference between supply and quantity supplied?

A.Supply is how much consumers are willing to buy; quantity supplied is how much is made available.
B.• Supply is the total amount of goods available; quantity supplied is how much
made available at each price level.
C.• Supply and quantity supplied are the same.
D.Supply deals with the decisions of consumers and quantity supplied deals with the decisions of a producer.

B. Supply is the total amount of goods available, encompassing all prices levels and quantities. Quantity supplied, on the other hand, refers specifically to the amount of a good that a producer is willing and able to offer for sale at a particular price level.