In other words, Ms. Hassan, you're being asked how much time you've put into finishing this marathon whereas you're only halfway there. A lot of work remains to be done before everything is finished. Once you have the final figures, you'll forward them to the Parliamentary Budget Officer, as you do in every case. At the moment, these are estimates. A lot of work remains to be done on this matter.
On November 4th, 2020. See this statement in context.