USDA has estimated annualproduction costsand returns and published accounts for major field crop and livestock enterprises since 1975.Costand return estimates are reported for the United States and majorproductionregions for corn, soybeans, wheat, cotton, grain sorghum, rice, peanuts, oats, barley, milk, hogs, and cow-calf. Thesecostand return accounts are "historical" accounts based ...