Based on the following financials in FY2019, the firm's free cash flow is $ million: NOPLAT =$2,000mil - Capital Expenditures =$600 mil (e.g., the firm spent $600 million on a piece of equipment in 2019) - Depreciation =$50 mil - Acquisitions =$1,000 mil (e.g., the firm spent $1,000 million on acquiring a firm in 2019) - Operating amortization =$100 mil - Change in working capital =$150 mil (negative, e.g., 2019 accounts receivable (A/R) decreases by $150 million from the 2018 A/R leve