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What is the cost of operating a 1.5 W electric clock for a year in Chicago? (The cost of electricity in Chicago is 16.1 cents per kWh). Express your answer in dollars. 2.12
What is the cost of operating a 2.8 W electric clock for a year in Phoenix? (The cost of electricity in Phoenix is 10.2 cents per kWh). Express your answer in dollars. 2.5