What are the commission rates applicable to the Sales Floor?

ABC Auctions reserves the right to change any of the commission charges quoted below. At present however our commission rates applicable to the Sales Floors are as follows: 

AMOUNT EXCL VATPERCENTAGE
US$ 0 - US$1,00017.5%
US$1,001 TO US$2,00015%
US$2,001 - 12.5%