Note 31 Accrued expenses and deferred income

MSEK 2024 2023
Mkr 2024 2023
Payroll expenses Lönekostnader 1,813 1,691
Social security expenses Sociala avgifter 514 474
Operating expenses Rörelsekostnader 1,228 1,020
Negative value joint ventures 1) Negativa värde joint ventures 1) 12
Interest expenses Räntekostnader 22 26
Rent revenue Hyresintäkter 35 33
Total Summa 3,624 3,244

1)  Refers to joint ventures where the net value of equity and internal profit elimination is negative