Start Level 1 Node: Data Import ControllerData Import ControllerEnd Level 1 Node: Data Import Controller
   Start Level 2 Node: Separation of Sales and Stock Data for Baseline and PromotionSeparation of Sales and Stock Data for Baseline and PromotionEnd Level 2 Node: Separation of Sales and Stock Data for Baseline and Promotion
   Start Level 2 Node: Simulation and Adjustment of Stock in TransitSimulation and Adjustment of Stock in TransitEnd Level 2 Node: Simulation and Adjustment of Stock in Transit
   Start Level 2 Node: Validation in the Data Import ControllerValidation in the Data Import ControllerEnd Level 2 Node: Validation in the Data Import Controller
   Start Level 2 Node: Simulation of Sales and Stock DataSimulation of Sales and Stock DataEnd Level 2 Node: Simulation of Sales and Stock Data
   Start Level 2 Node: Product ActivityProduct ActivityEnd Level 2 Node: Product Activity
   Start Level 2 Node: Processing of Number Range Interval ErrorsProcessing of Number Range Interval ErrorsEnd Level 2 Node: Processing of Number Range Interval Errors
   Start Level 2 Node: DIC AlertsDIC AlertsEnd Level 2 Node: DIC Alerts
   Start Level 2 Node: Validation in the Data Import ControllerValidation in the Data Import ControllerEnd Level 2 Node: Validation in the Data Import Controller
      Start Level 3 Node: Validation Checks for ProductActivityNotification Messages in thValidation Checks for ProductActivityNotification Messages in thEnd Level 3 Node: Validation Checks for ProductActivityNotification Messages in th