14. A supply and demand puzzle The following graph shows the market for pianos in 2007. Between 2007 and 2008, the equilibrium quantity of planos remained constant, but the equilibrium price of pianos increased. From this, you can condude that between 2007 and 2008, the supply of planos demand for planos and the Adjust the graph to illustrate your answer by showing the positions of the supply and demand curves in 2008. Note: Select and drag one or both of the curves to the desired position, Curves will snap into position, so if you try to move a curve and it snaps back to its original position, just drag it a little farther. O Suppy Demand 0- Supply PRCE Dan perang) Demand QUANTITY Panos)