64 Human Calculator

As expected, with the rise of the prices of grains and sugar, the sales of the Zhang Family’s brew store also gradually declined. Although the wealthy would probably not be affected by the change of several copper or silver coins, for many at the lowest rungs of society, even a trivial increase in the price of grains or other commodities would greatly put pressure on their ability to survive. Naturally, they were more sensitive to the changes in price. Although the Zhang Family had only increased the price of a bowl of rice brew by a single copper coin, to some, it was a 20 percent increase in price and was something that would be difficult for them to accept.