|Costs associated with sale of development property||-26||-|
|Operation expenses of investment property||-10||-18|
|Total other expenses||-185||-141|
The costs associated with sale of development property of € 26 million mainly concerns the cost price of residential property sold.
The increase in the line item other expenses mainly relates to the reassessment of the past service costs related to the defined benefit obligation € 90 million (2020: € 59 million), see chapter 188.8.131.52, and the change in the provision for irrecoverable claims relating to negative interest surplus on pension portfolio of € 24 million (2020: € 36 million).