Answer:
C. The price of eight AA batteries increases from $3.50 to S3.95 a set.
Step-by-step explanation:
A product's price change is the sole reason for movement along the supply curve. The supply curve demonstrates the relationship between the price and the supply of a product. As per the law of supply, suppliers will supply more at higher prices.
A supply curve shows the volume that supplies will be ready to supply at different prices. An increase or decrease in price will cause the quantity of supply to change, as indicated by movement along the supply curve.