WRONGFUL DEDUCTION IN MY ACCOUNT

I PURCHASED SLIPPERS FROM HOMEMARK FOR R400.00 odd, and instructed them to deduct the amount on the 27th October 2015. On 27th I realised that had deducted about R4000.00 and a few hundred rands. I requested them to rectify this and attended at the bank to do what was necessary as advised by them. To date I have not received my money. I earn R5 500.00 per month and I have now been left with nothing to travel to work. I need assistance please.