```
"Its retail price is three yuan," Xu Fang began.
Pfft!
Dong Xueyao sprayed out a mouthful of water uncontrollably.
"Sorry." She hurriedly wiped it off, glared at Xu Fang, and said irritably, "What kind of advantage is that?"
Xu Fang spoke eloquently:
"As the economic level improves, people buy water not just to quench their thirst, but also in pursuit of quality. But how to distinguish quality? Ordinary people don't know; they can only judge from two aspects: fame and price. If others sell plain bottled water for two yuan, and I sell it for three yuan, customers will absolutely think that the three-yuan water is better."
"Furthermore, people have a bit of vanity. Drinking three-yuan water seems to confer more status than drinking two-yuan water. And ordinary people won't mind spending the extra yuan."
