Suppose that the power company is charging $ 0.25 for a kilo watt hour (1,000 W of power supplied for one hour) of energy. How much are you paying for a Joule of energy? How much energy, in Joules, is...

Suppose that the power company is charging $ 0.25 for a kilo watt hour (1,000 W of power supplied for one hour) of energy. How much are you paying for a Joule of energy? How much energy, in Joules, is supplied to a 100 W light bulb in one hour? Is it potential energy or kinetic energy the power company sells?