Someone was so shaken their voice trembled. "With fertilizer, one mu really yields four dan? Then how are they selling it? You live in the same village as Lord Fang—do you know?"
"My father-in-law went to ask. He said a bag might cost about two hundred copper coins," Wang Ger said. "Lord Fang said when he sells it, it'll be by the bag—one hundred jin per bag, enough for three mu of land."
At the mention of two hundred copper coins, everyone's first thought was that it was expensive. But when they did the math—in their village, most families had eight or nine mu of paddy fields. That meant buying three bags, for six hundred wen.