3. Changes in Demand and Supply A. Complete the demand table below assuming that the price of a substitute went up causing buyers to increase purchases by 50% P Qd (New) P2 216 6 8 10 B. Complete the supply table below suppose many sellers stop operating and as a result, output became 50% lower in the market. P Qs 2 42 4 6 8 10 C. Plot the old and new demand and supply curve on the same graph above. Find the new equilibrium pirce and quantity