Patent ID: 8751332

Claim:
A method, comprising: receiving a selection of a mode from a plurality of product operational modes; presenting a list of product models and a list of product accessory models based on the mode separately; receiving a selection of a product model combination including a product model from the list of product models and at least one product accessory model from the list of product accessory models; retrieving a list of product combinations based on the selected product model combination from a database, each product combination including a product supplied from one of a plurality of product suppliers and at least one product accessory supplied from one of a plurality of product accessory suppliers; ranking, using one or more processors, the list of product combinations based on a sum value of a product capacity/price ratio of the product and a product accessory capacity/price ratio of the at least one product accessory in each product combination; and presenting the ranked list of product combinations to buyers via a display on a machine to facilitate the buyers in finding a product combination that is attractive to the buyers.