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Air is flowing steadily through a cooling section where it is cooled from 30 °C to 15 °C at a rate of 0.25 kg/s. If the average COP of the air-conditioner is 2.8 and the unit cost of electricity is 7 cents per kWh. Determine the cost of electricity consumed by this air-conditioner per day (a period of 24 hours)

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