d a resin derived from crude oil. Suppose that the price of oil falls. The following graph shows two possible marginal-cost (MC) and average-total-cost (ATC) curves for an individual boat-making firm. Firm ATC B TOA Costs MC A MCB Quantity In the following tables, indicate which curves represent the marginal-cost curve and average-total-cost curve before the price dip and after the price dip. Marginal-Cost Curve MCA MCB Before Oil Price Dip O O After Oil Price Dip O O On the following graph, show the effect of the dip in the price of oil on the market supply of boats by shifting the curve in the appropriate direction. Average-Total-Cost Curve ATCA ATCB ?) Before Oil Price Dip O O After Oil Price Dip O Market Demand Supply Supply Price Quantity In the short run, profits of boat makers . In the long run, the number of boat makers