Chris,

I'm not sure I follow this...
> VAT -> productPrice / (1-VAT) = final price

productPrice = 100
VAT = 17.5%

100 / (1-17.5) = -6.060606061 ???

It should be...
( productPrice / 100 ) * ( 100 + VAT ) = final price

Am I misunderstanding your comment?
-- 
Kind Regards
Andrew Sykes <[EMAIL PROTECTED]>
Sykes Development Ltd
http://www.sykesdevelopment.com

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