A graph accompanying the question "Assuming ceteris paribus, what principle behind the law of demand is this graph illustrating?" The horizontal x-axis represents quantity and has 12 divisions. The vertical y-axis represents price, also with 12 divisions. Curve D starts roughly at x = 6.6 and ends roughly at y = 1.5. Points P1 and P2 are marked on Curve D. P1 is at x = 6 and y = 0.50. P2 is at x = 3 and y = 1.25 Assuming ceteris paribus, what principle behind the law of demand is this graph illustrating? Barring special circumstances, an increase in price will always lead to an increase in quantity. Barring special circumstances, an increase in price will always lead to a decrease in quantity. Barring special circumstances, a decrease in price will always lead to a decrease in quantity. Barring special circumstances, a decrease in price will have no effect on an increase or decrease in quantity