12 Cost of Materials
in € million |
|
2017 |
|
2018 |
|
|
|
|
|
|
|
Expenses for ancillary costs |
|
625.6 |
|
702.9 |
|
Expenses for maintenance 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.