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10% calculated as 9%

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I was hoping someone can help, I am using prestashop 1.7.3 on siteground and I entered my GST as 10% and it shows on all the PDF as 10, but calculates as 9%, I have played with the tax per item but it makes no difference, if I enter 11% it calculates correctly but then the pdf invoice shows 11%.


I thought of just changing the invoice to show 10% instead of the tax variables rate, but I think this may cause trouble in the future, any idea of what's the issue?


Help would be appreciated, thanks

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I have also now tried upgrading to  No difference.


I have seen people change the php code to fix this, but there has to be another way, why is it missing the 1%, it makes no sense.


Please help if you can.

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3 hours ago, ksaan said:


You can report this bug to prestashop bug reporting tool: http://forge.prestashop.com/ they will be able to help you ;)


The upgrade did fix the problem, I just needed to update the prices on the products again, so fixed.

Thank you for your reply

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