i need to be refunded by Morkels

I bought a TV at Morkels furniture shop worth R10 000 and a delivery fee of R250 i paid R8250 using my Capitec debit card and R2000 cash on the 24th of Feb 2016 i then went back to the shop the very same day to cancel the purchase and i asked for a refund even before the TV was deliverd their branch manager said i need to go to the bank and reverse the money i did exactly that on the 25th of Feb funds were back to my account the very same day on the 26th i received a notification for tha purchase again and i only had R5000 in my account then and was left wit -3330 i went to Morkels to query their branch manager said i need to go back to my bank and ask i went to capitec bank and they did their investigatio n came back to me saying this money is at Morkels they need to write a letter for me and i need to take it to Capitec for a charge back so that i can get my money,Capitec bank has been doing a followup but Morkels does not even bother to try and help me im the one that does the up and down and calling them everyday even their head office cant seem to help me,can you please help me and investigate i need my money back even now my bank balance is -3300.thank you