| 2022 | 2021 |
---|---|---|
Costs associated with sale of development property | -33 | -26 |
Operation expenses of investment property | -9 | -10 |
Operation expenses of wind and solar farms | -24 | - |
Other expenses | -23 | -149 |
| | |
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 6.5.17.1, and the change in the provision for irrecoverable claims relating to negative interest surplus on pension portfolio in 2021 of € 24 million (2022: nil).