Contribute correction: Lagerbestandsverwaltung

            ______    ______    _____   
    ___    /_   _//  /_   _//  |  ___|| 
   /   ||   -| ||-     | ||    | ||__   
  | [] ||   _| ||_    _| ||    | ||__   
   \__ ||  /_____//  /__//     |_____|| 
    -|_||  `-----`   `--`      `-----`  
     `-`