You are estimating the cost of a cinema building using functional unit method at a very early stage of a project. The cinema building will have $490$ number of seats. The cost of a seat of a similar cinema building was $$1,250.$ What is the total estimated cost before making the necessary adjustments?

A$.$ $$621,000$

B$.$ $$61,250$

C$.$ $$1,250$

D$.$ $$612,500$