11. Total operating expenses

(amounts in millions of €, unless otherwise indicated)

Total operating expenses by nature:

	2008		2007
Personnel expenses	1,558.6		1,021.1
Depreciation property, plant and equipment	62.1		37.2
Amortization software	22.0		11.4
Impairment software	13.6		-
Advertising and marketing	129.4		104.7
Accommodation	184,5		113.9
Other	358.1		187.0
Operating expenses	2,328.3		1,475.3
Amortization acquisition-related intangible assets	107.2		14.8
Impairment acquisition-related intangible assets and goodwill	571.5		-
Total operating expenses	3,007.0		1,490.1

For further information on personnel expenses, refer to note 38.