2. A miner extracts iron from the earth. A steel mill converts the iron to steel beams for use in construction. A construction company uses the steel beams to make a building. Assume that the total product of these firms represents the only components of the building and that they will have no other uses. Complete the following table: Company Product Total Sales Value Added Acme Mining iron ore $100,000 ? Fuller Mill steel beams $175,000 ? Crane Construction building $1,100,000 ? Total Value Added