Final answer:
The decrease in the quantity demanded suggests that the price of product x increased.
Step-by-step explanation:
A decrease in the quantity demanded from 16,000 to 10,000 units suggests that the price of product x increased.
When the price of a product increases, the quantity demanded typically decreases due to the law of demand. This means that consumers are less willing to purchase the product at a higher price.
In this case, the decrease in quantity demanded indicates that the price of product x increased, as there would be a decrease in demand if the price decreased.