Tax-inclusive prices refer to the total cost of a product or service, including any applicable taxes. When a tax is charged on top of these prices, it is known as a "tax on tax-inclusive prices." This can occur when a business is required to collect and remit multiple taxes, such as sales tax and value-added tax, on the same item. This practice can lead to higher prices for consumers and can be complicated for businesses to navigate. As a finance professor, I recommend staying informed about tax laws and understanding the impact they have on the prices we pay. It is important to be aware of these terms and how they affect our financial decisions.