MrDodd Resides in a State with a 6% Sales and Use

Mr.Dodd resides in a state with a 6% sales and use tax.He recently traveled to another state to buy furniture and paid that state's 4% sales tax.Which of the following statements is true?

A) Mr.Dodd's use tax liability to his home state equals 2% of the purchase price of the furniture.
B) Mr.Dodd does not owe a use tax to his home state.
C) Mr.Dodd's use tax liability to his home state equals 6% of the purchase price of the furniture.
D) None of the above is true.