Stop and think.
Let's say there were 10 preorders. We'll call them 1, 2, 3, 4, 5, 6, 7, 8, 9, and 10. Tankguys was going to order 15 chips to fill these preorders. The supplier calls him up and says the price was raised. Tankguys can't sell the chips for less than they paid, so they can't...