right well you really want like is the difference between these two things now suppose that what I tell myself is okay you know I don't know what me zero is going to be exactly but I think it's gonna be between three point six and four point four so let me take each of those to compute the corresponding static prices for each of those to the optimal static prices and use these two as the two prices in a dynamic pricing scheme okay again buried in the background is what threshold do I set to move between these