To calculate the total amount Amy paid for the box of chocolates, follow these steps:
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Calculate the discount amount: The original price is $14 and the discount is 15%. \[ \text{Discount} = 14 \times 0.15 = 2.10 \]
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Calculate the price after the discount: \[ \text{Price after discount} = 14 - 2.10 = 11.90 \]
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Calculate the sales tax: The sales tax is 4% of the purchase price after the discount. \[ \text{Sales tax} = 11.90 \times 0.04 = 0.476 \]
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Calculate the total amount paid: Now, add the sales tax to the price after discount. \[ \text{Total amount paid} = 11.90 + 0.476 = 12.376 \]
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Round to two decimal places: \[ \text{Total amount paid} \approx 12.38 \]
So the total amount that Amy paid for the box of chocolates is $12.38.
Thus, the correct answer is D. $12.38.