WC applies tax to coupon codes, but doesn’t change
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Hi there,
searched for hours, but found nothing.
Wocoommerce thinks our coupon codes contain tax, but they shouldn’t.
The tax is calculated correctly, only the display of the amount of the coupon is wrong.Example:
Shop displays all product sincluding VAT (19%).
Users puts an item to the cart, worth 100 €.
The 100€ already include 19% tax.User applies 50% coupon code.
Has to pay 50 €. Everything good.
But when i open the order, it does not show 50€ coupon, but 42,02 € coupon.
This should not be like that.But it’s not just this mistake.
The tax for the whole order is displayed correctly, like the coupon code would not have tax!
Means:
Woocommerce shows:
Order value after coupon = 50
tax 7,98 (correct)
coupon 42,02 (wrong!)As you can see, this doesn’t make sense. The problem is: The information, that the coupon code is 42,02 and contains tax is sent to our warehouse system. It creates an invoice, with the wrong coupon value and 19% tax for the coupon, instead of the correct coupon value and 0% tax.
You can find two screenshots here for what i mean:
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@nickfarelli The calculation here is actually correct. Taxes are added on to the amount that is actually being charged. Since the prices are entered as tax inclusive and the tax percentage is 19%, the tax is going to be: 15.966386554621849 (not rounded). This makes the price of the product: 84.033613445378151 (not rounded). This means that since the coupon is for 50%, it’s going to be half of that, which is 42.016806722689076, which is then rounded to 42.02.
The calculation to get the tax, and then the price is:
Tax = Line Price - Line Price / 1.19This is outlined on this page:
https://github.com/woocommerce/woocommerce/wiki/How-Taxes-Work-in-WooCommerce#tax-calculations-simplified
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