Price-cost. The price range of soybean is based on trading prices in countries with an annual soybean trading of over 0.1 Mt in 2010–2021 and a 38% protein content. The protein prices of soy and pea isolates are based on protein content of 85 and 82.5%, respectively. e-SCP cost range is based on production at best sites with 5 Gt protein a −1 cumulative theoretical production potential.