17 – Inventories (XLS:) Download Million € December 31,2017 December 31,2016 Raw materials and factory supplies 3,255 3,107 Work-in-process, finished goods and merchandise 6,979 6,808 Advance payments and services-in-process 69 90 Inventories 10,303 10,005 Work-in-process, finished goods and merchandise are combined into one item due to the production conditions in the chemical industry. Services-in-process primarily relate to services not invoiced as of the balance sheet date. Cost of sales included inventories recognized as an expense amounting to €29,941 million in 2017, and €26,048 million in 2016. A reversal of a write-down on inventory was recognized in the amount of €18 million in 2017 and a write-down in the amount of €43 million in 2016. Of total inventories, €863 million was measured at net realizable value in 2017 and €836 million in 2016. back next