Wool not-worth for 15c

At the end of last month I paid my installment on my credit card in store, but only the full Rand amount and not the cents (15c). I paid in store as I changed bank accounts and haven't updated my debit orders yet. A debit order for the 15c went off but I had no funds in my old account (which my old bank charged me R100 for) and on top of that Woolworths also charged me R102.50 because of that. In a way I understand why they are doing this and that this happens automatically, but all this for 15c??? I paid extra cents the previous month... Anyway, I would gladly take another 20c (they can keep the change) to the store if I knew it would be such an issue. I called the Financial services help desk and they agreed to reverse the charges, but it has been 3 days now and no reversal yet.

I want the charges reversed Woolworths ASAP!