hormones, antibiotics, fertilizer, and chemicals, but excluding farm machinery) for the production of any agricultural commodity, except that no person shall be considered an agricultural input supplier if sales of such products are for a value less than $10,000,000 per year. (2) Broker The term broker means any person engaged in the business of negotiating sales and purchases of any agricultural commodity in interstate or foreign commerce for or on behalf of the vendor or the purchaser, except that no person shall be considered a broker if the only sales of such commodities are for a value less than $10,000,000 per year. (3) Commission merchant The term commission merchant means any person engaged in the business of receiving in interstate or foreign commerce any agricultural commodity for sale, on commission, or for or on behalf of another, except that no person shall be considered a commission merchant if the only sales of such commodities are for a value less than $10,000,000 per year. (4) Dealer The term dealer means any person (excluding agricultural cooperatives) engaged in the business of buying, selling, or marketing agricultural commodities in interstate or foreign commerce, except that— (A) no person shall be considered a dealer with respect to sales or marketing of any agricultural commodity of that person’s own raising