A. a specific tax
B. an ad valorem tax
C. value-added tax
D. direct tax
Correct Answer: Option C
C. value-added tax
Explanation
Value-added tax is a tax on the amount by which the value of an article has been increased at each stage of its production or distribution. A value-added tax (VAT) is a consumption tax placed on a product whenever value is added at each stage of the supply chain, from production to the point of sale.