Answer: C) "Consumers are willing and able to purchase various quantities of widgets at prices up to approximately $5. At higher prices, they will demand fewer widgets. But at lower prices, they will demand a greater number of widgets.
Explanation: The law of demand states that there is an inverse relationship between price and quantity demanded. The market demand curve represents this relationship. As you can see on the graph, "Consumers are willing and able to purchase various quantities of widgets at prices up to approximately $5. At higher prices, they will demand fewer widgets. But at lower prices, they will demand a greater number of widgets"