Answer: c. an increase in the price of pizza
Explanation:
When there is a movement along the supply curve of a given commodity, it means that the commodity simply went through a price change because the supply curve is meant to depict the quantity supplied at various prices.
If there is an increase in the price of pizza therefore, the pizza market would be moved along the given supply curve.
The other options would cause a shift in the supply and demand curves instead of a movement along.
