Given that V=J/A-s and 1 Kwh = 3.6 x106 J, what does it cost to operate a window-type air conditioning for one hour if the unit requires a 10-Amp current at 110V and electric energy costs 5 cents per Kwh? Compute the cost at 5.0 cents/Kwh of operating an electric motor that takes 15 Amp at 110V.
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