Powell Panther Corporation: Income Statements for Year Ending December 31 (millions of dollars) 2021 2020 Sales 2,185.0 S 1,900.0 Operating costs excluding depreciation and amortization 1,748.0 1.615.0 EBITDA 437.0 S 285.0 Depreciation and amortization 46.0 42.0 Earnings before interest and taxes (EBIT) 391.0 S 243.0 Interest 48.1 41.8 Earnings before taxes (EBT) 342.9 S 201.2 Taxes (25%) 137.2 80.5 Net income 205.7 S 120.7 Common dividends 185.1 96.6 Powell Panther Corporatlon: Balance Sheets as of December 31 (mlllons of dollars) 2021 2020 Assets Cash and equivalents 34.0 $ 27.0 Accounts receivable 251.0 228.0 Inventories 502.0 456.0 Total current assets 787.0 $ 711.0 Net plant and equipment 460.0 418.0 Total assets 1,247.0 S 1,129.0 Liabilities and Equity Accounts payable 219.0 $ 190.0 Accruals 137.0 114.0 Notes payable 43.7 38.0 Total current liabilities 399.7 $ 342.0 Long-term bonds 437.0 380.0 Total liabilities 836.7 $ 722.0 Common stock 353.5 370.8 Retained earnings 56.8 36.2 Common equity 410.3 $ 407.0 Total liabilities and equity S 1,247.0 s 1,129.0 Write out your answers completely. For example, 25 million should be entered as 25,000,000. Rou your answers to the nearest dollar, if necessary. Negative values, if any, should be indicated by a minus sign. a. What was net operating working capital for 2020 and 2021? Assume the firm has no excess cash. 2020: S 2021: S b. What was the 2021 free cash flow? c. How would you explain the large increase in 2021 dividends? I. The large increase in net income from 2020 to 2021 explains the large increase in 2021 dividends. II. The large increase in free cash flow from 2020 to 2021 explains the Targe increase in 2021 dividends II. The large increase in EBIT from 2020 to 2021 explains the large increase in 2021 dividends. IV. The large increase in sales from 2020 to 2021 explains the large increase in 2021 dividends. V. The large increase in retained earnings from 2020 to 2021 explains the large increase in 2021 duido