I never presented a number.
If you dont know say you dont know or dont weigh in
No - That is not how this works.
Your 'side' proposed a plan. It was evaluated as being absurdly expensive. Your retort is, 'Well look at what we are spending now'. The onus is on you to determine that number. If you don't know what that number is then don't keep using it as a defense for an indefensible plan.