15 - According to this graph, what happens to quantity demanded if the price of a used car increases from $5000 to $6000? Market for Used Cars Pione 1000 000 0 000 The quantity demanded drops to 3,100 cars. b) The quantity demanded rises to 3,100 cars. The quantity demanded drops to 2,000 cars. d) The quantity demanded increases to 1,000 cars. Bo birak