Hello,

This is Woocommerce functionality our theme does not have any options to configure. Try to find the instruction here: https://docs.woocommerce.com/document/woocommerce-dynamic-pricing/#:~:text=Set%20up%20an%20advanced%20pricing%20rule%20based%20on%20the%20total,of%20criteria%20to%20everyone%20else.

Best Regards