The man smiled and replied, "Actually, it's quite simple. I've checked at the entrance, and your company's parking lot has never charged parking fees due to incomplete facilities.

"After our system is online, we'll collect roughly around 20% of the overall parking fees. The remaining 80% will go into your company's account! This way, the parking problem is solved, and your company also gains corresponding income—"

Before he could finish, Sylvia quickly interrupted, "Wait! Are you saying that y