Chapter 486: Thorough Investigation

was looking at today's memorials. Hearing this, he picked up the tea by his hand and took a sip, without raising his eyelids, he said: "I know."Looking at the document in his hand, Li Chen said with...ns, can be exchanged for one tael of silver.The production cost of a bar of soap is one tael of silver, and it can be sold for five times the profit. Each bar of soap brings a net profit of four taels...