Selected notes to the consolidated income statement Net revenue Net revenue breaks down into the following revenue categories: (XLS:) Download millions of € H1 2018 H1 2017 Revenue from the rendering of services 30,088 31,406 Germany 8,751 9,130 United States 13,299 13,919 Europe 4,802 4,881 Systems Solutions 2,588 2,681 Group Development 619 717 Group Headquarters & Group Services 29 78 Revenue from the sale of goods and merchandise 5,571 5,312 Germany 987 765 United States 3,684 3,781 Europe 712 563 Systems Solutions 48 44 Group Development 141 141 Group Headquarters & Group Services 0 17 Revenue from the use of entity assets by others 633 818 Germany 238 210 United States 294 518 Europe 25 22 Systems Solutions 15 (8) Group Development – – Group Headquarters & Group Services 61 76 NET REVENUE 36,291 37,537 For details of changes in net revenue, please refer to the section Development of business in the Group in the interim Group management report. Other operating income (XLS:) Download millions of € H1 2018 H1 2017 Income from the reversal of impairment losses on non-current assets 2 – Of which: IFRS 5 – – Income from the disposal of non-current assets 165 105 Income from reimbursements 81 100 Income from insurance compensation 169 32 Income from ancillary services 14 16 Miscellaneous other operating income 281 997 Of which: income from divestitures and from the sale of stakes accounted for using the equity method – 776 711 1,250 Income from the disposal of non-current assets was primarily attributable to the disposal of real estate previously recognized as non-current assets and disposal groups held for sale. Income from insurance compensation mainly comprised compensation payments received by T-Mobile US in the first half of 2018 for damage caused by hurricanes in 2017. Miscellaneous other operating income decreased by EUR 0.7 billion year-on-year. The main components of this item in the prior-year period were income of EUR 0.5 billion from the divestiture of Strato AG and income of EUR 0.2 billion from the sale of the remaining shares in Scout24 AG, which had been accounted for using the equity method. Other operating expenses (XLS:) Download millions of € H1 2018 H1 2017 a Due to the transition to IFRS 9, changes were made both to the method of measuring impairment losses on receivables and to their disclosure in the financial statements. A comparison with the prior period is possible to a limited extent only. Impairment losses on financial assetsa (216) n. a. Gains (losses) from the write-off of financial assets measured at amortized cost (20) n. a. Other (1,182) (1,596) Legal and audit fees (146) (101) Losses from asset disposals (74) (70) Income (losses) from the measurement of factoring receivables (62) (62) Income (losses) from measurement of receivablesa n.a. (278) Other taxes (259) (234) Cash and guarantee transaction costs (166) (162) Insurance expenses (44) (46) Miscellaneous other operating expenses (431) (643) (1,418) (1,596) Miscellaneous other operating expenses include a large number of individual items accounting for marginal amounts. Depreciation, amortization and impairment losses At EUR 6.3 billion, depreciation, amortization and impairment losses were on a par with the prior-year period. Neither reporting period included any major impairment losses on intangible assets or on property, plant and equipment. Profit/loss from financial activities In the first half of 2018, the loss from financial activities decreased by EUR 1.4 billion year-on-year to EUR 1.6 billion. This was attributable in particular to the decrease of EUR 1.7 billion in other financial expense to EUR 0.1 billion. The figure for the prior-year period was mainly impacted by the EUR 1.1 billion impairment of the financial stake in BT recognized in profit or loss. In March 2018, the financial stake in BT was transferred to Deutsche Telekom Trust e.V., where it will be used as plan assets to cover existing pension obligations. As a consequence of the transition to IFRS 9 as of January 1, 2018, changes in the value of the financial stake prior to the transfer date were no longer recognized in the income statement as profit/loss from financial activities, but in other comprehensive income. For more information, please refer to the disclosures on financial instruments. In the first half of 2018, negative effects from the exercise and remeasurement of embedded derivatives at T-Mobile US increased the loss from financial activities by EUR 0.2 billion. In the prior-year period, this negative effect on the loss from financial activities totaled EUR 0.4 billion. Finance costs of EUR 1.0 billion, which were EUR 0.2 billion lower than a year earlier, also had a positive effect on the loss from financial activities. This was essentially due to the fact that T-Mobile US has increasingly been financed internally since 2017. The Consent Fee of EUR 0.1 billion paid (or still payable) to lending banks in connection with the probable increase in the admissible amount of collateralized financing instruments at T-Mobile US as a consequence of the agreed business combination with Sprint had an increasing effect on finance costs. The share of profit/loss of associates and joint ventures accounted for using the equity method decreased to EUR -0.5 billion. This was mainly attributable to the settlement agreement reached to end the Toll Collect arbitration proceedings, which had a negative effect of EUR 0.6 billion. The associated payments to the Federal Republic of Germany will be made on behalf of Toll Collect GbR in three tranches over the period until 2020. For further information, please refer to the section Other transactions that had no effect on the composition of the Group. The decision to distribute a dividend that was taken in March 2018 by the shareholders of the joint venture Toll Collect GmbH had a positive impact for Deutsche Telekom of EUR 0.1 billion. Income taxes A tax expense of EUR 0.9 billion was recognized in the first half of 2018. The effective tax rate of 29.5 percent essentially reflects the shares of the different countries in the profit before income taxes and their respective national tax rates. In the prior-year period, a tax expense of just EUR 0.6 billion was recognized on pre-tax income that was only marginally lower. The comparatively low tax rate in the prior-year period was attributable, in particular, to the recognition of deferred tax assets of EUR 0.2 billion on federal loss carryforwards in the United States and to tax reductions for a comparable amount for previous years in Germany.