Need Help

The long-run aggregate supply curve is vertical because Select one: 0 A. a vertical long-run supply curve indicates that an increase in aggregate demand will lead to greater real GDP, but not greater nominal GDP. 0 B. actual output can never exceed, even temporarily, the quantity of output determined by the economy's longrun aggregate supply curve. 0 C. potential GDP is independent of the price level. 0 D. a vertical long-run aggregate supply curve indicates the maximum output rate that an economy can ever attain. O E. potential GDP never changes