Which of the following statements about the Value-Added Tax (VAT) in NOT true?

1. The VAT is a tax on the changes in value that occur at each stage of production or distribution.
2. A VAT of 5% will yield more revenue than a 5% general sales tax because the VAT is collected several times.
3. The VAT is a regressive tax because it places a greater burden on persons with lower incomes.
4. VAT taxes are currently not in use in the U.S.
5. None of the above. All are true.