In 2018, ARA. Corp spent $415 million on new capital equipment, faced $95 million of depreciation cost, and invested an additional $360 million working capital. In the same year, ARA's Earnings before interest and tax was $1,719 million, and its tax rate was 21%. What is the 2018 free cash flow for ARA. Corp? O $ 488 million $ 533 million $ 848 million O $ 678 million