Makro - is this the service you are selling to clients??

I purchased clothes with no tags; thus, they collected other units from the shelves to scan for payment. Needless to say, the size marked on the units was incorrect - thus I wanted to exchange it for the correct size. The excuse was that they needed the tags and they would not sell any units without any tags on. Needless to say, the clothes remained with Makro Silverlakes. This weekend, I experimented and found another piece of clothing with no tags. I went to the till and again they collected another unit with no tags in order to scan and for me to pay. This time I obtained the transaction on video. I went to the exchange counter and again they claimed that they do not sell anything without tags. The manager was informed that it has been caught on video and again they refused to exchange the clothing or refund me for my purchase less than 20 min after it was bought on the same excuse - THEY WOULD NOT SELL ANYTHING WITHOUT TAGS. I insisted that this be escalated to senior management - again the lady refused and provided me with a telephone number - that DOES NOT WORK. Is this the way Markro *****s from their clients or is it their way of making sure they get rid of their stock with no labeling?