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Help with Sales Tax less Coupon calculation

Question asked by lauranbrent on Apr 5, 2010
Latest reply on Apr 6, 2010 by comment_1

Title

Help with Sales Tax less Coupon calculation

Post

I need to change my sales tax calculation. Currently, I'm using the "out of the box" calculation, but it isn't reflecting the coupons we offer. The caculation I'm using is: Sum(Line Items::Taxable Amount) * Sales Tax Rate + If(Discount Rate;0;0). I've added an additional line on my invoices to deduct coupons, but  sales tax is still being charged on the coupon amount. I need to deduct the coupon amount in the calculation in order for the tax to calculate correctly. Any suggestions? Thank you.

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