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  Public Ticket #4216962
Incorrect tax calculations on bundled products
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Comments

  •  3
    Eric started the conversation

    When product bundles are added to the cart, the tax calculation is no longer correct. Site: https://oceansev.com/

    For example:

    1. Add a bundled product to the cart, such as this one: https://oceansev.com/product/spirit-1-0-plus-bag-set/

    2. Go to the checkout page.

    3. For the address, choose Country = Canada, Province = British Columbia.

    Taxes for this location are GST (5%) and PST (7%). They should be $15.50 (5% GST) and $21.70 (PST 7%). Instead they are being calculated as $16.40 and $22.96.

    Tax calculations are correct when non-bundled products are added. Only product bundles are causing a problem.


    Attached files:  CleanShot 2025-07-27 at 21.40.50.jpg

  •  1,500
    Dustin replied

    Hi Eric,

    I see that you are using a discount of $18, so this discount is not taxed. You should switch to using a percentage discount, for example: 5.48780488%

    Best regards,
    Dustin

  •  3
    Eric replied

    The problem is that the tax is being calculated on the final item price ($310) incorrectly. 5% of 310 is 15.50, not 16.40.

    Is this a bug that causes any product bundles using non-percentage-based discounts to incorrectly calculate tax?