Consider the market in which bag producers operate. Suppose that the price ot a backpack rises. Explain how this event will change the quantity of backpacks supplied and the supply of backpacks today. A. The quantity of backpacks supplied increases and the supply of backpacks is unchanged B. The quantity of backpacks supplied decreases and the supply of backpacks also decreasesC. The qarery ot backpacks suppled rareases and the supply of backpacks also increasesD. The supply of backpacks is unchanged and the quantity of backpacks supplied decreases E. The supply of backpacks increases and the quantity of backpacks supplied is unchanged