According to this graph, what happens to quantity demanded if the price of a used car increases from $5000 to $7000? The quantity demanded rises to 3,100 cars. The quantity demanded increases to 1,000 cars. The quantity demanded drops to 3.100 cars. The quantity demanded drops to 1,000 cars. Prices (5) 9000 8000 7000 6000 5000 4000 3000 2000 1000 0 0 1000 Market for Used Cars 2000 3000 4000 5000 6000 Quantity Demanded 7000 8000