Refund gone wrong

On the 02nd of October 2023, I bought three books online, two were the same titled White Trash, for R246.50 each, and one was titled Life of Pie selling for R94.95. All summing up to R587.95. The order was confirmed and I was given an expected delivery date of 07 October. On the 04th of October, I got an email to say there was a delay and the delivery would be on the 02nd of November depending on the courier. I then took a chance to wait for the second of November. While still waiting I got another email on the 23rd of October to say there was further delay and delivery will be on the 2nd of December. I then responded to the email with an option to cancel the order and have my money back. On the 24th of October, I received emails confirming the cancellation and that the refund will reflect within 2 to 10 working days. On the 25th I was refunded two separate amounts of R144.95, which I fail to understand what it was for. I then called Makro and spoke to a lady who saw all the transactions and confirmed that the R144.95 was wrong and that she would escalate. Since then I have been waiting and no one is saying anything. I called again today the 2nd of November and was told the same story that they will escalate with Finance. I asked for a contact number for their finance department and I was told they do not have one. I just want my money to get the books from somewhere else.