Problem 2-33 Free Cash Flow (LG2-5) The 2021 income statement for Duffy's Pest Control shows that depreciation expense was $195 million, EBIT was $500 million, and the tax rate was 36 percent. At the beginning of the year, the balance of gross fixed assets was $1,570 million and net operating working. capital was $415 million. At the end of the year, gross fixed assets was $1,815 million. Duffy's free cash flow for the year was $413 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 million