The proposals will cost about $1 billion next year alone.
The proposal would cost $5 billion over five years, his aides said.
Members of the coalition said their proposal would cost $45 billion in the first five years.
The proposal would cost the federal government $2.1 billion over 10 years, the administration said.
The Republican candidate for governor did not say how much his proposal would cost.
The earlier proposal, for a building of the same size, would have cost $4.95 million.
He said the proposals would cost $160 billion over 10 years.
The committee staff says the proposal would cost the Government about $11 billion in lost revenue over the next five years.
The proposals would cost $2.19 million in their first year.
That proposal would cost $60 billion over 10 years and cover about six million people.