3. The owner of a shoe store reviewed her costs to determine how many pairs of running shoes she would be willing to supply each month at different prices. The results of her research appear in the supply schedule shown here. Use these data to draw her supply curve for running shoes. Explain how the graph demonstrates the law of supply. Supply of Running Shoes Price $70 $60 $50 $40 $30 Quantity Supplied 100 80 60 40 20