Economics When finished , the project will have cost NUMBER@1 billion yuan , over NUMBER@2 billion yuan less than the initial estimated budget of NUMBER@3 billion yuan , just under NUMBER@4 billion USD .

While this cost seems huge , it actually was $ NUMBER@2 million yuan -LRB- about $ NUMBER@5 million USD -RRB- less than the original budget of $ NUMBER@3 billion yuan -LRB- about $ NUMBER@6 million USD -RRB- .
