The TPC reckons his plans would cost $500 billion-900 billion in 2015, depending on how the amounts are calculated.

税收政策中心声称，根据计算数量的方法不同，罗姆尼的计划将在2015年花费5000亿至9000亿美元。

These exemptions, deductions and credits (collectively known as “tax expenditures”) will cost America's Treasury some $1.1 trillion in forgone collections this year, reckons Donald Marron of the Tax Policy Centre (TPC), a research group.

根据一家调查组织，税收政策中心的唐纳德马兰所说，今年，这些免税，减税，补助（合计称为税收支出）将使美国财政部放弃1.1兆美元的税收。