Aggregate demand and aggregate supply — practice question

The table concerns an open economy that has a government sector. In which situation is the economy not in equilibrium?

• AC 400, I 150, S 80, G 150, T 200, X 120, M 100, A
• BC 450, I 150, S 100, G 150, T 230, X 120, M 90, B
• CC 480, I 150, S 110, G 150, T 210, X 120, M 100, C
• DC 520, I 150, S 120, G 150, T 210, X 120, M 90, D