South Sea Baubles has the following (incomplete) balance sheet and income statement.

BALANCE SHEET AT END OF YEAR
(Figures in $ millions)
Assets	2021	2022	Liabilities and Shareholders' Equity	2021	2022
Current assets	$ 100	$ 190	Current liabilities	$ 70	$ 90
Net fixed assets	900	1,000	Long-term debt	650	850

INCOME STATEMENT, 2022
(Figures in $ millions)
Revenue	$ 2,000
Cost of goods sold	1,080
Depreciation	400
Interest expense	250

a&b. What is shareholders equity in 2021 and 2022? c&d. What is net working capital in 2021 and 2022? e. What are taxes paid in 2022? Assume the firm pays taxes equal to 21% of taxable income. f. What is cash provided by operations during 2022? g. Net fixed assets increased from $900 million to $1,000 million during 2022. What must have been South Seas gross investment in fixed assets during 2022? h. If South Sea reduced its outstanding accounts payable by $45 million during the year, what must have happened to its other current liabilities?