Average total cost (dollars per bushel) N S W - 0 ATC1 ATC2 ATC3 ATC4 w 10 20 30 40 50 Output (thousands of bushels per year), The above figure represents the average total cost curves of a wheat farmer. a) Which average total cost curve has the lowest average total cost of producing 30,000 bushels of wheat?+ b) Over what range of output is the farmer experiencing economies of scale?+ c) Over what range of output is the farmer experiencing diseconomies of scale?+ d) Which average total cost curve has the lowest possible average cost of production?+ e) Which average total cost curve represents the largest plant?+