A certain region currently has wind farms capable of generating a total of 2200 megawatts (2.2 gigawatts) of power. Complete parts (a) and (b) below. a. Assuming wind farms typically generate 40% of their capacity, how much energy, in kilowatt-hours, can the region's wind farms generate in one year? Given that the average household in the region uses about 10,000 kilowatt-hours of energy each year, how many households can be powered by these wind farms?