```
"What's going on?"
```
Having received the message, Jiang Yan came down from the second floor and was immediately approached by a clerk, who briefly explained the situation to him.
Normally, for such a minor issue, it would suffice to exchange for another twenty for the customer, but Qi Lihong insisted that the bill she had given was intact and refused to exchange it. The other party was straightforward, not willing to discuss it any further, and directly asked for the store manager.
"How can such a large computer store employ such an irresponsible cashier? You're the store manager, right? I want to file a complaint against her!"
Jiang Yan glanced at Si Tian and then turned his attention to the new-looking twenty-yuan bill with a missing corner, which he didn't scrutinize too much, instead turning his head to instruct Qi Lihong, "Open the surveillance."
