what does "rung up the sale"mean?
He had glanced up at Giordano and then noticed that the woman was talking to herself. "He's been shot, he's in the hospital," she had been mumbling. She had been confused; she hadn't seemed to know whether or not to take his bill. Speculating that a close friend or relative had been injured, he had asked charily, "Who?" She had looked vacant. The restaurant's PA system had begun paging the crew members of both 707's. The Colonel had repeated urgently, "Who?" She had shaken herself briskly. "President Kennedy," she had said and rung up the sale.