To determine how much Jane will pay for the jacket including tax, we need to follow these steps:
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Calculate the discount amount: \[ \text{Discount} = \text{Regular Price} \times \text{Discount Rate} = 54 \times 0.25 = 13.50 \]
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Calculate the sale price: \[ \text{Sale Price} = \text{Regular Price} - \text{Discount} = 54 - 13.50 = 40.50 \]
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Calculate the sales tax: \[ \text{Sales Tax} = \text{Sale Price} \times \text{Sales Tax Rate} = 40.50 \times 0.06 = 2.43 \]
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Calculate the final purchase price: \[ \text{Final Price} = \text{Sale Price} + \text{Sales Tax} = 40.50 + 2.43 = 42.93 \]
Therefore, the total amount Jane will pay for the jacket, including tax, is $42.93.
The answer is C. $42.93.