Water Industries' quality control report for August contains the following items Gathering, analysis, and reporting quality data Inspecting raw materials received from vendors Testing and inspecting finished products Visiting customer sites to test product Designing product to reduce production problems Repairing and/or replacing products under warranty Maintaining equipment used to gather production quality data Cost (net) of materials wasted during production $1,000 2,000 3,000 4,000 5,000 6,000 7,000 8,000 What would be the total of the external failure costs on the August quality control report for Water Industries