A flat iron to straighten hair is rated at (331 mathrm{~W}). If it is used for 15
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A flat iron to straighten hair is rated at \(331 \mathrm{~W}\). If it is used for 15 minutes a day, 5 times a week, how much would it cost a user over the course of a month if the electric rate is 13 cents per kilowatt-hour? Round your answer to the nearest cent.
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