Rejection fee no body was told about

In october I called the call centre regarding me changing banking details as I closed the old account ..Agtent I spoke to told me I must make a EFT payment the refference number is to long to make payment never the less they debited double the anount in november no I got my statement now i am owing R200 in rejection fee when i told them dont debit out of the old account ..I will not pay the amount I want to speak to a manager tomorrow or I will take this further ..!