Original data from 2015; it changes from year to year. Farm share of tofu assumes soy costs of $0.05 per pound of tofu produced, and a retail price of $2/lb. Updated farm prices can be found at https://www.ers.usda.gov/data-products/price-spreads-from-farm-to-consumer/price-spreads-from-farm-to-consumer/#Processed%20fruit%20and%20vegetables