translate English to French: In the case in the main proceedings, the parties to the contract of sale agreed that the consideration for the goods would be their price as advertised, known in advance by the customer and invoiced to him by Primback.
Or, dans l'affaire au principal, les parties au contrat de vente sont convenues que la contrepartie de la marchandise consiste dans son prix affiché, connu à l'avance par le client et facturé par Primback à ce dernier.