Hi Peter, I have seen all attached screenshots and want to confirm you that I will fix the Voutcher calculation issues that you are getting wrong calculation. Just share the your Prestashop shop.
Relevant Skills and Experience
I have extensive expertise in Prestashop Store Development, PSD to Prestashop and Theme Development, Extension Development, 3rd Party Gateway/App/Plugin/Script Integration etc..
Proposed Milestones
$200 USD - Fix PrestaShop Voutcher calculation issues
Can you please share the URL of your Prestashop website?