The diagram shows the production possibility curve (PPC) for an economy that produces solar panels and drones.

The economy is currently producing at point P.
What is the opportunity cost of moving to point Q?
40 drones40\text{ drones}40 drones
80 drones80\text{ drones}80 drones
10,000 solar panels10,000\text{ solar panels}10,000 solar panels
15,000 solar panels15,000\text{ solar panels}15,000 solar panels