[ic] Negative Sales Tax with Discounts

[Matt Kerner]

On Sep 29, 2005, at 11:33 AM, Matt Kerner wrote:

> I'm having difficulty with a store we're building currently with  
> the sales tax calculation. The site has products that are both  
> taxable and nontaxable. The site also applies discounts to the  
> entire order based on a customer's group affiliation. When a  
> nontaxable product is purchased with a discount the discount/tax  
> code still subtracts the discounted tax information. When no  
> discount is applied the nontaxable information works properly.
>

I've narrowed it down a bit further. It seems to only happen when the  
discount is a dollar amount. When the discount is a percentage there  
isn't a problem. Does anybody have any ideas as to why these would  
behave differently?

Thanks,
Kerner