Match the steps of the problem solving Plan-Do-Study-Act cycle with the defined activities. Plan Plan drop zone empty. Do Do drop zone empty. Study Study drop zone empty. Act Act drop zone empty. Define problem then document, collect and analyze data to determine possible causes. Implement change plan on small scale and collect data for evaluation. Evaluate the data collected during implementation and check against plan goals. Given successful results, standardize the new plan and communicate change. Provide training