How is macroeconomic equilibrium represented in a private open economy using the 45-degree line?

• A. Where the aggregate expenditures line intersects the 45-degree line.
• B. Where the aggregate expenditures line is parallel to the 45-degree line.
• C. Where the aggregate expenditures line is below the 45-degree line.
• D. Where the aggregate expenditures line is above the 45-degree line.

Answer: (A)