The series according to the curriculum for vocational schools I and II in Rhineland-Palatinate includes numerous project and practice tasks related to the subjects of Business Administration with Accounting and Economics. The learning areas are covered using the model company "Tropic GmbH": for example, training and careers, values and value streams, goals and organizational structures of companies. Volume "Commercial Basic Education": designed for vocational school II. Numerous practice tasks and supplementary materials (including financial accounting and Excel applications from the areas of human resources, materials, and finance, quiz tasks, and film clips) are available as BookPlusWeb for download. Solutions are available separately: as a printed copy or as a PDF for download. A workbook and corresponding solutions are also available.