Disappointed and ******

Disappointed On the 24th of December I bought a bycles for my son it was selling for R1099 They have delivered wrong products and I did areturn, request and ask for replacement While waiting for feedback I just see an email pop up saying I have been refund R1000 causes the product is longer selling on the price it went up How is that my problem? Where is my R100 It is not my problem that you decided to deliver a wrong products I want my son bycles delivered within 3 days If you don't have the correct product as advertised on your website, refund me my full amount