Honey bee icing sugar

I purchased icing sugar from Honey bee on Saturday the 04/10 for a large order of cupcakes as I am a baker. While I was making my icing I found large pieces of stone looking pieces in my buttercream (I had already made a batch prior and iced half of my cupcakes) after seeing what I found I had to start over which caused a delay in my order. I contacted honeybee today 06/10 and they advised I should go into store and show them what I found. They agreed to only refund me for the icing sugar after trying to get me to take a different brand of icing which I did not want after my previous experience. They did not consider my time and ingredients other than the icing sugar that went to waste or try and compensate me for my loss.