Putrit service double standards with pricing

I laybuyed an Uzzi jacket at Clothing Junction Florida Square on the 28.07.2015 and went back to the shop on the 21.08.2015 to take out the laybuy. This was money that my son saved to buy the jacket. Upon going through the store and showing my son what else was available, we noticed that the same jacket we laybuyed for R459.95 was marked down to R229.95. I then queried this with the store manager Belinda as Clothing Junction is a retail store and the laybuyed jacket was still part of their stock on hand and should have been marked down as well of which she refused and advised me that at the time I laybuyed the jacket it was not marked down of which I pointed out to her that it is a retail store she can't expect me to pay the full price when the same jacket is marked down and all retail stores adjust their prices accordingly whether the goods is on laybuy or not. Belinda advised me that she will speak to the area manager regarding this as she does not have access to overide the prices. I then payed for the laybuy the full price and bought the similar jacket for the marked down price as I pointed out to her that they will have to refund the R459.95 I even pointed out to her what's s