Exhibit 9-9 Price Quantity Total Cost Sold (dollars) (units) (dollars) $10 10 $50 9 20 100 8 30 120 7 40 160 6 50 210 5 60 270 70 W A 340 80 420 Refer to Exhibit 9-9. The reason we know the firm represented in this exhibit a monopolist is a price searcher and not a price taker is because it has to lower price to sell additional units of its good. at all levels of output, the monopolist earns a profit. its total costs rise as more output is produced and sold. marginal revenue is constant for all given levels of output