We are facing an issue on Magento 2.2.5 regarding discount on product price. Here is the use-case: I have a product with Base Price = 18€, Tier Price (I'm working with Customer groups) = 7.23€, FPT = 2.8€ and VAT = 22% The price is 12.24€ for this product ( (7.23+2.8)*1.22 = 12.2366), everything is fine so far. Please note that in the configuration, we show the product price tax included on the catalog and the checkout. I have a coupon which apply 20% discount this product.

Here is my configuration for tax under Stores > Configuration > Sales > Tax enter image description here

When using this coupon on the shopping cart, the discount amount is as follow enter image description here While we expect to have 2.44€ of discount.

I cannot even explain the output since it does not make sense to me.

Thanks for your help !


1 Answer 1


Its coming from your tier price of 7.23 x 1.22 x 0.2 = 1.76 (the FPT is being ignored as you would really expect).

  • Hi there, do you mean that the FPT is being ignored in the discount calculation? Is there a way to include it ?
    – Tony K
    Commented Feb 15, 2019 at 9:16
  • Fixed price tax is exactly that, its not based on sale value. If you really want to discount the FPT as well then just move the FPT cost into the product cost. You will need to be sure of your margins etc doing that though!
    – ChrisC
    Commented Feb 15, 2019 at 11:09
  • Great, didn't know that. Thank you very much.
    – Tony K
    Commented Feb 15, 2019 at 13:45
  • Hi, I've browsed around and found this link which states: it can be discounted. Can you advise? It seems to contradict your statement.
    – Tony K
    Commented Feb 18, 2019 at 13:21
  • Adding the FPT to the subtotal will allow discounting of the whole order (excluding carriage) as discount will be on subtotal. I was assuming you wanted to apply a discount on a single item.
    – ChrisC
    Commented Feb 22, 2019 at 13:14

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