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Utility companies vary electricity costs based on the market value of electricity in their region. If Lower Valley Energy is currently charging $0.0386 per kW

Utility companies vary electricity costs based on the market value of electricity in their region. If Lower Valley Energy is currently charging $0.0386 per kW . hr, how much does it cost to leave a 40 W porch light bulb on all night? Assume 12 hours of darkness here in March, and answer in dollars

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