In the Long Run,a Change in the Money Supply Does

Multiple Choice

In the long run,a change in the money supply does not affect the natural rate of unemployment because:

A) the aggregate demand curve is vertical.
B) the aggregate demand curve is downward sloping.
C) the long-run aggregate supply curve is vertical.
D) the long-run aggregate supply curve is upward sloping.
E) the long-run aggregate supply curve is horizontal.