Here are the 2015 and 2016 (incomplete) balance sheets for Newble Oil Corp.

BALANCE SHEET AT END OF YEAR
(Figures in $ millions)
Assets	2015			2016			Liabilities and Shareholders' Equity	2015			2016
Current assets	$	323		$	485		Current liabilities	$	275		$	253
Net fixed assets		1,330			1,485		Long-term debt		895			1,050

a&b. What was owners equity at the end of 2015 and 2016? (Enter your answers in millions.)

c. If Newble paid dividends of $165 million in 2016 and made no stock issues, what must have been net income during the year? (Enter your answer in millions.)

d. If Newble purchased $365 million in fixed assets during 2016, what must have been the depreciation charge on the income statement? (Enter your answer in millions.)

e. What was the change in net working capital between 2015 and 2016? (Enter your answer in millions.)

f. If Newble issued $226 million of new long-term debt, how much debt must have been paid off during the year? (Enter your answer in millions.)