What Is the Difference Between a Change in Aggregate Supply

Multiple Choice

What is the difference between a change in aggregate supply and a change in aggregate output supplied?

A) A change in aggregate supply is represented by a movement along the aggregate supply curve in response to a price change, while a change in aggregate output supplied is represented by a shift of the aggregate supply curve in response to a change in a determinant of aggregate supply other than the price level.
B) A change in aggregate supply is represented by a shift of the aggregate supply curve in response to a change in the actual price level, while a change in aggregate output supplied is represented by a movement along the aggregate supply curve in response to a change in the expected price level.
C) A change in aggregate supply is represented by a shift of the aggregate supply curve in response to a change in a determinant of aggregate supply other than the price level, while a change in aggregate output supplied is represented by a movement along the aggregate supply curve in response to a change in the price level.
D) There is no difference between the two terms.