Thank you. So given that -- okay, so we have costs. So do we know how much -- so basically we don't -- this isn't saving money as much as it's generating revenue and the that revenue's going to be used to support the program as it's currently designed. Is there still -- if everything works out with the rebates and with the co-pays, what is the gap missing debt? Or what's the total cost overrun at that point? Thank you.