They would certainly increase the sales. I think people would go from "should I buy it for 250" to "it is only 179, why not give it a try".
Satan said:
"You are for ever angry, all you care about is intelligence, but I repeat again that I would give away all this superstellar life, all the ranks and honours, simply to be transformed into the soul of a merchant's wife weighing eighteen stone and set candles at God's shrine."