A plate ofW on the ironing board with its base exposed to the air. Nearlyof the heat generated in the iron is dissipated throughs of the base, whosereasuperficial is cmand theremaining throughs from other surfaces. Assuming that the heat transfer from the surface is uniform, determinethe amount of heat that the iron dissipates over a period ofhours, in kWhpoints. bthe heat flow over the surface of the iron base, in Wmpoints y cthe total cost of energyhimelectricity consumed during this period ofhours. Take the unit cost of electricity asMexican pesoskWh