Evaluate why the LRAS curve is represented as a vertical line in the AD-AS model.

• A. Because real GDP is determined solely by consumer demand in the long run.
• B. Because real GDP is unaffected by changes in technology in the long run.
• C. Because price level directly affects the quantity of real GDP in the long run.
• D. Because price level does not affect the quantity of real GDP in the long run.

Answer: (D)