The import duties were so high that the price of the goods went up.

I plan to pay this year's income tax early.

When purchasing real estate, you need to pay stamp duty.

The price of this product is 3000 yen, tax excluded.

The price of this product includes tax.

The price of this product is exclusive of tax.

The government is considering the introduction of a carbon tax.

The government has decided to invest tax revenue in education and healthcare.

This certificate of value proves the value of the product.

Mariko is my best friend.