for example, doing anna praiseal for the site's value would not really add value to the process and then second, they have to acquire sites at cost when the transfers are from an enterprise agency and like m.t.a. for example and we will get anna praiseal to value the site and in our experience, the appraisal is typically taking the process to get the approval to the board of supervisors is typically longer than nine months because of a result of having to go through a process to also get department commission or board approvals and so currently under chapter 23 rules, we would have to come back and get an addition al appraisal or updated appraisal when we're going to the board of exercises foray approval and because it would not typically change the purchase prize of the site, based on its original a priceal -- appraiseal would not add value to the process and this change would benefit affordable housing by the cost of the arraysal and then it also would mean saving about a month 's time in the process for us to get this new appraiseal review completed. what you would also mean a cost sa