Paid orders Cancelled!

After placing my order on Friday and making an EFT payment for it the very same day, I was informed that the payment could take up two days to reflect. The funds however reflected the very next day Saturday. The funds were allocated and the orders CONFIRMED with an estimated date of delivery. Today (Monday) I receive an email advising me that my orders has been cancelled because they are out of stock. How do you CONFIRM an order and then cancel it because there isn't any stock available??. My friend who made the same order exactly the same time selected COD method of payment and guess what her order arrived before mine even though no payment was received from her when placing the order but me being a paying clients order gets cancelled??<br> <br> I find this completely unacceptable and would like someone to investigate as to how this could have happened. The products are still available on the website but at a different rate. I however do not think that i am responsible for this as my payment has secured my order. I would like a resolution to this matter within 24 hours, if not resolved i will be taking this further!