Around 400 yuan. According to the price of soybean, 2.2 yuan/kg, 1 kg can yield about 3 kg of old bean curd, 7 kg of tender bean curd plus liquid patina, so the rest of the costs are water, electricity, equipment and labor, and the cost of one kg of bean curd is about 2.5 yuan. 1 kg soybean cost is 2.2 yuan, and the profit is around 400 yuan if the daily sales of 100 kg soybean is used. Wrapped bean curd, a special snack in southwest China, originated in Yunnan, Guizhou and Sichuan in southwest China. Wrapped bean curd is a delicious food made of soybeans. The so-called wrapped bean curd means that after the outer layer of bean curd is cooked, the inner layer is still slurry.