Author response

Thank you very much for your nice review. We much appreciate it! Theme is using Woocommerce plugin. You can check this link https://docs.woocommerce.com/document/setting-up-taxes-in-woocommerce/ If you need some specific settings you can use additional plugins https://wordpress.org/plugins/woocommerce-products-by-custom-tax/
Also you can contact our Support system by this link: https://themerex.ticksy.com/ They will provide you with more information.