bulk food production costs(developed japan&developing brazil are probable exceptions)
https://www.reuters.com/article/india-farmers-prices/india-raises-wheat-buying-price-by-6-pct-ahead-of-2019-elections-idUSD8N1PZ01A
"The revised purchase price of 1,840 rupees ($25.09) per 100 kg(of wheat) for 2019"
India govt pays farmers $251/ton of wheat.The chart below is US wheat commodity market price(which is > than price paid to US farmers)
https://www.indexmundi.com/commodities/?commodity=wheat