(49)The seller should be allowed to refuse to bring the goods into conformity if both repair and replacement are impossible, or they would impose disproportionate costs on the seller. The same should apply if either repair or replacement is impossible and the alternative remedy would impose disproportionate costs on the seller. For instance, if goods are located in a place that is different from where they were originally delivered, the costs of postage and carriage could become disproportionate for the seller.