A salted fishapos;s

“Why aren’t you expensive A hundred catties for just three coins, and once winter arrives, they will sell for five coins.” The old man sighed: “Don’t think my bricks are expensive either; my family only earns a hard-earned living.”,Old Man: How can your family afford to build houses every day,He was going to the quarry to see if they also used copper coins for transactions. If so, he would take his silver and exchange it for copper coins first, then use the copper coins to pay, making a profit on the difference.。