The 2015 income statement for Duffys Pest Control shows that depreciation expense was $198 million, EBIT was $506 million, and the tax rate was 35 percent. At the beginning of the year, the balance of gross fixed assets was $1,576 million and net operating working capital was $418 million. At the end of the year, gross fixed assets was $1,824 million. Duffys free cash flow for the year was $419 million.

Calculate the end-of-year balance for net operating working capital.(Enter your answer in millions of dollars rounded to 1 decimal place.)

Net operating working capital$