In a Model with Short-Run Trade-Offs Between Inflation and Unemployment

In a model with short-run trade-offs between inflation and unemployment, real GDP is determined in the short run by

A) the intersection of a vertical potential GDP schedule and the current price level.
B) the intersection of a horizontal potential GDP schedule with the current price level.
C) the intersection of a downward-sloping aggregate demand curve and the current price level.
D) the intersection of a downward-sloping aggregate demand curve and a vertical potential GDP schedule.
E) none of the above.