Hey, Sammy. I got it.. I needed to replace ROUNDUP with INT,
Old Expression:
Sum(roundup((IIf([WHITE PRICE]<10,[WHITE PRICE]*4,[WHITE PRICE]*2)),-0.01)-0.05)
New Expression:
(Int(IIf([WHITE PRICE]<10,[WHITE PRICE]*4,[WHITE PRICE]*2))+1)-0.05
Thanks for all your help Sammy.
Irish :D :D