In the dynamic AD-AS model, if both the short-run and long-run aggregate supply curves shift to the right due to economic growth, what happens to the equilibrium GDP and price level?

• A. Equilibrium GDP decreases, and the price level increases.
• B. Equilibrium GDP increases, and the price level remains stable.
• C. Equilibrium GDP remains unchanged, and the price level decreases.
• D. Equilibrium GDP increases, and the price level decreases.

Answer: (B)