The order summary reflects tax adjustments based on the customer’s shipping country. Even though the product price stays the same, the portion counted as tax may vary due to differing VAT or GST rates. For example, a product sold at £100 might include £16.67 in VAT for a customer in the United Kingdom (20% VAT), but £20 in VAT for a customer in Croatia (25% VAT).
This ensures each transaction adheres to the tax regulations of the buyer’s location.