Table 4-3 The Waco Kid's Marginal Cost Cowboy Hats (dollars) 1st hat $24 2nd hat 30 3rd hat 38 4th hat 46 Refer to Table 4-3. The table above lists the marginal cost of cowboy hats by The Waco Kid, a firm that specializes in producing western wear. If the market price of cowboy hats is $50, producer surplus is O $0 O $4 O $62 O $138