Using the following firm's financial statements, answer the following questions Balance Sheets as of December 31 (millions of dollars) 2018 2019 100 110 20 22 420 500 300 320 840 600 952 750 1,702 1,440 Assets Cash Short-term investments Accounts receivable Inventories Total current assets Net fixed assets Total assets Liabilities and Equity Accounts payable Notes payable Accruals Total current liabilities Long-term debt Common stocks Retained earnings Total equity Total liabilities and equity 250 220 150 180 170 170 600 540 420 542 300 360 200 180 560 480 1,440 1.702 har 11 millions of Dollars) Income Statement for year ending December 31 (millions of Dollars) 2018 2019 4.100 5,500 2,900 2,000 350 460 100 Sales Cost of goods sold (excluding depreciation and amortization) Other expenses Depreciation and amortization Total operating costs EBIT Interest expenses Pre-tax earnings Taxes (40%) Net income 2,450 1,650 110 3,470 2,030 90 1.940 776 75 1,575 630 945 1,164 a. What is the net operating profit after taxes (NOPAT) for 2019? (5 points) b. What are the amounts of net operating working capital for both years, 2018 and 2019? (5 points) C. What are the amounts of total net operating capital for both years, 2018 and 2019? (5 points) d. What is the free cash flow for 2019? (5 points)