REFUND DELAY

I bought a laptop online, recieved an email that I'm being refunded there is no stock. I have been calling for days for my refund they say they will escalate the matter, or say they will call me of which they never do. As a student that desperately need my money to buy laptop i am frustrated. Makro is failing me as a customer. I call them everyday and till today i am not refunded. Terrible service it's just pathetic how i have to call them everyday