C325 Something Happened to the Princess

"Of course they can. The money they paid. . . I'm always right. If the reservoir can make a normal profit. . . If you pay ten taels of silver, you can get forty silver a year. But we will deduct it according to the price, unless it is in a famine. People only eat fish, or else they eat fish once. We will deduct 40 taels of silver according to the price. This way