*********** and unreliable services

In June this year I acquired the Cartrack unit that according to their agent have a separate tag subscription. When I approved the debit order both the actual unit and tag were included on it. I recently receive a call that they never debited the full amount and they want me to pay the outstanding balance, first of all it took them 5 full months to pick that up and how is it my fault ? Secondly it’s the festive season monies are already allocated for, where will I get the money now? It’s not my faults but theirs. When the agent called (coloured lady) she didn’t want to listen to me.