Associated Petroleum Products, Inc. v. Northwest Cascade, Inc.

¶1 Associated Petroleum Products, Inc., a diesel fuel provider for Northwest Cascade, Inc., sued Northwest for money due under several invoices. Northwest had deducted the claimed amounts from its payments to Associated to compensate for fees Northwest had paid after Associated added them to its invoices without telling Northwest. Northwest now appeals the trial court’s summary judgment in favor of Associated, arguing that (1) Associated had a duty to give “reasonable notice” before unilaterally modifying the contract and (2) Northwest’s repeated payments of the disputed charges do not…