5. Other income
 
  Group Company
  31 March
2022
Rm
31 March
2021
Rm
31 March
2022
Rm
31 March
2021
Rm
Other income 686 619 1 240 1 018
Interest received from trade receivables1 122 151 69 108
Sundry income2 363 401 914 839
Profit on disposal of assets3 201 67 257 71
1 Interest received on trade receivables relates to interest on overdue trade receivables accounts. These are financial assets measured at amortised cost. Interest is recognised on a time proportionate basis, taking into account the principal amount outstanding and effective interest rate.
2 Sundry income for Telkom Company includes income from management fees charged to subsidiaries. The Group and Company number includes gains or losses on lease terminations and other income on the submarine cable systems. Income on submarine cables consists of reimbursements for work done on behalf of the consortiums, reimbursements on operating, maintenance cost (direct cost) and travel fees related to the cable services.
3 Included in the current year profit on disposal of assets for Group and Company is a gain on disposal of contract assets to the amount of R154 million (31 March 2021: R63 million).