Depreciation and amortisation
(€ in millions) | Q3 '16 | Q3 '15 | y.o.y. change | YTD '16 | YTD '15 | y.o.y. change | ||||||
Cost of sales | 1.9 | 2.0 | -6% | 6.2 | 7.0 | -11% | ||||||
Research and development | 3.4 | 2.4 | 39% | 9.1 | 6.7 | 37% | ||||||
Amortisation of technology & databases | 22.6 | 19.6 | 15% | 64.3 | 56.8 | 13% | ||||||
Marketing | 0.1 | 0.0 | 0.2 | 0.0 | ||||||||
Selling, general and administrative | 4.3 | 3.8 | 12% | 13.1 | 11.2 | 17% | ||||||
Total | 32.1 | 27.8 | 16% | 93.0 | 81.6 | 14% | ||||||
Of which acquisition-related amortisation | 13.7 | 13.1 | 5% | 41.1 | 38.9 | 6% |