(Figures in $ millions) Assets 2021 2022 Liabilities and Shareholders' Equity 2021 2022 Current assets $ 310 $ 420 Current liabilities $ 210 $ 240 Net fixed assets 1,200 1,420 Long-term debt 830 920 Required: a&b. What was shareholders equity at the end of 2021 and 2022? c. If Newble paid dividends of $100 million in 2022 and made no stock issues, what must have been net income during the year? d. If Newble purchased $300 million in fixed assets during 2022, what must have been the depreciation charge on the income statement? e. What was the change in net working capital between 2021 and 2022? f. If Newble issued $200 million of new long-term debt, how much debt must have been paid off during the year