Patent ID: 8560395

Claim:
A method comprising: by a computing system of a merchant, receiving an indication of one or more product categories from a buyer; by a computing system of the merchant, receiving buyer-offer information from the buyer, the buyer-offer information comprising an indication of a buyer-determined offer amount that the buyer is willing to pay for a quantity of the products in one or more of the product categories; and by a computing system of the merchant, for each of the quantities of the products in the product categories: determining one or more manufacturer subsidies that are each separately applicable to a sale of the quantity of products in the product category, a value of each of the manufacturer subsidies being based at least in part on the buyer-determined offer amount that the buyer is willing to pay for the quantity of the products in the product category; and selecting for the buyer particular products of a particular manufacturer based at least in part on the manufacturer subsidies and the buyer-determined offer amount.