|Costs associated with sale of development property||-33||-26|
|Operation expenses of investment property||-9||-10|
|Operation expenses of wind and solar farms||-24||-|
|Total other expenses||-90||-186|
The costs associated with sale of development property of € 33 million (2021: € 26 million) mainly concerns the cost price of residential property sold.
The decrease of € 126 million in other expenses relates for € 90 million to the reassessment of the past service costs related to the defined benefit obligation in 2021 (2022: nil), see chapter 22.214.171.124, and the change in the provision for irrecoverable claims relating to negative interest surplus on pension portfolio in 2021 of € 24 million (2022: nil).