12 Cost of Materials

in € million

 

2017

 

2018

 

 

 

 

 

 

 

Expenses for ancillary costs

 

625.6

 

702.9

 

Expenses for and modernization

 

446.8

 

572.3

 

Other cost of purchased goods and services

 

104.0

 

105.8

 

 

 

1,176.4

 

1,381.0

 

 

 

 

 

 

 

Maintenance
Maintenance covers the measures that are necessary to ensure that the property can continue to be used as intended over its useful life and that eliminate structural and other defects caused by wear and tear, age and weathering effects.