Why is the amount of areas not decreasing

Query of Deceased Mr Sedumedi Timothy Mogapi ID *** Passed away 02 June 2025 Adress 0320 kgale section Phokeng

Bought the taxi 2018 Quantam KBZ 293 So they said I must paid up the errears of R40 000 as we finish the tax in march this year The life parter paid R10 00 up until now Life parter Zandile Paliso ***. Now they say we owing R40 000 instead of R30 000.