Bad customer service

I made a mistake by doing an EFT payment on my edgars account instead of on my wife's edgars account and by doing so overpaid my account by R6711.78. Edgars at waterfall mall branch in Rustenburg told me to write a letter explaining what happened and bring it to them with a certified ID copy of me and 3 months bank statements of my bank which i did. <br> <br> They took it and mailed it to their head office or so they told me. They told me that they will keep me up to date of the progress. I have not yet received any calls or mail from them since the 16 of June 2015 that I gave them all the paper work that they required. I visited the branch twice a week but they never could tell me what is the progress.<br> <br> I then decided to send all the papers to edgars head office myself but still didn't receive anything. I asked edgars to transfer the money to my wife's account or pay it back into my bank account.