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

BALANCE SHEET AT END OF YEAR
(Figures in $ millions)
Assets	2018			2019			Liabilities and Shareholders' Equity	2018			2019
Current assets	$	90		$	140		Current liabilities	$	50		$	60
Net fixed assets		800			900		Long-term debt		600			750

INCOME STATEMENT, 2019
(Figures in $ millions)
Revenue	$	1,950
Cost of goods sold		1,030
Depreciation		350
Interest expense		240

a&b. What is shareholders equity in 2018 and 2019?

c&d. What is net working capital in 2018 and 2019?

e. What are taxes paid in 2019? Assume the firm pays taxes equal to 21% of taxable income.

f. What is cash provided by operations during 2019?

g. Net fixed assets increased from $800 million to $900 million during 2019. What must have been South Seas gross investment in fixed assets during 2019?