Being ********** my last money.

I have made a deposit of 100 via cell phone banking I then realized that I have put a wrong account number which instant I have put my reference number. Then when I checked my transfer history via on a cell phone the amount I deposited is uncategorized. Yesterday I call the call center hoping that they would assist by reversing the transaction or rectify the mistake, then was told to reverse the R100 transaction I made it would take 5-14 working days and they will charge me R114 to reverse the transaction, which it doesn't make sense, I feel like this is very UNFAIR!!!