, he casually asked: "How much does it cost"Liu Sichun was very familiar with these data and immediately replied: "The raw material cost of each piece is around nine hundred wen. This is because the m...hile mumbling, "Actually, I still think the new students are better. They come every day with a big group to help Grandpa farm, and they're very kind to me. They even teach me how to write and recite...