Task: Question Answering
Input (English): Problem: a tourist does not have to pay tax on the first $ 600 of goods he purchases in country b, but does have to pay a 7 percent tax on the portion of the total value that is in excess of $ 600. what tax must be paid by a tourist if he buys goods with a total value of $ 1720 ?
Options: a. $ 54.00, b. $ 78.40, c. $ 90.00, d. $ 100.80, e. $ 154.80
Output (English): b