FNB Bank Error! Bad Ethics / Unfair Treatment

The debit order for my FNB personal loan installment was being debited on the 24th creating an unsuccessful EDO. <br> I requested Dale Jacobs to change the date to the 25th of the month, which he agreed to do. At this time I was not informed that this change would cost me an extra R431.67 per month!<br> From 1 Feb 2013 - 25th July 2015 my installment was paid by debit order to the bank in the sum of R2933.35 per month as per the banks instruction. <br> After the change to the debit order date