When a Country Is in Equilibrium on Its Long-Run Aggregate

When a country is in equilibrium on its long-run aggregate supply curve, the actual price level facing economic agents

A) is greater than the price level expected by economic agents.
B) is equal to the price level expected by economic agents.
C) is less than the price level expected by economic agents.
D) is greater than, equal to, or less than the price level expected by economic agents - Cannot be determined without more information.