The instruction booklet for a DVD player says that the player uses about 0.4 kilowatt of electricity per hour. If electricity cause $0.20 per kilowatt hour. how much does it cost to won the player for

The instruction booklet for a DVD player says that the player uses about 0.4 kilowatt of electricity per hour. If electricity cause $0.20 per kilowatt hour. how much does it cost to won the player for an hour?

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