At the least, that’s how I made money until now.
If I hear medicine is wanted, I come sell it; if herbicide is wanted, I come sell it; and if food is needed, I come sell it.
The price was high, but most people smiled as they paid me.
In other words, when the price is high, the customers’ satisfaction is much more important than when it’s low.
Hearing my idea, the merchant stands up and clenches his fist tightly in comprehension.