7.4 Inventories

Inventories comprise various substrates, dyes, varnishes and other materials as well as books and non-books. These are valued using the lower of cost or market principle (the lower of the acquisition or production cost and the net realisable value). Acquisitions are calculated based on the weighted-average acquisition cost. With regard to books and non-books, impairment charges are made for unsellable inventory or inventory with a low turnover. Books still in production are recorded at the accumulated production costs