Chapter 91: Papermaking Ice-Making Method

ead: “No way! I heard that the cost of making tofu is two copper coins, he wouldn’t make any profit selling it.”Liu Youcai nodded: "Yang Lin, that guy, always talks about sage books and wouldn't lie....Zhang's cost is roughly six cash coins. This is an open secret. I intend to sell it for eight cash coins, making a 50% profit."But since you all are so sincere, I, Yang Lin, will sell at a small profi...