Equilibrium Shift in Supply-Demand Diagram Not enough information: Diagram and choice details are missing, preventing analysis of shifts from X to Z.

Steps:

• Identify axes and curves in the diagram (e.g., price vs. quantity).
• Locate points X and Z to determine required shift direction.
• Evaluate each choice's impact on supply or demand.
• Select option causing the precise shift.

Why C is correct:

• Not enough information.

Why the others are wrong:

• A: Not enough information.
• B: Not enough information.
• D: Not enough information.

Final answer: Not enough information.