It takes 1 lazy worker to mess up everything

Telkom billing is incorrect and if not corrected i will end up with a high account. My account is normally in the region of R1100 wifi 150mbps with closer 100 bolt on. My last e-mail i received from billing and debit order was end September 2023. October said i owed 0,41,in other words i was in credit,,impossible. I have called billing 4 times since end October until 15th November, each time the same answer my bill is correct. My portal has disappeared, my pensioners rebate which is R299 has dropped to R236 suddenly. My last account shows from 9th to the 14th October 2023 only. My account is:***