To find out how much Sally paid for the leather chair including tax, we first need to calculate the marked-up price of the chair and then add the sales tax.
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Calculate the marked-up price: The original cost of the leather chair is $494.47. Since the store marked it up by 100%, the markup is equal to the original cost.
The marked-up price is then:
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Calculate the sales tax: The sales tax rate is 5.5%, so we calculate the sales tax on the marked-up price:
We can round this to two decimal places:
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Calculate the total price paid by Sally: Finally, we add the marked-up price and the sales tax to find the total amount Sally paid:
Therefore, the total amount Sally paid for the leather chair, including tax, is $1,043.33.