Please help Im confused, if you can provide the formulas used for each one for future use, in addition I would appreciate it!

The Davidson Corporation's balance sheet and income statement are provided here.

Davidson Corporation: Balance Sheet as of December 31, 2018
(Millions of Dollars)
Assets				Liabilities and Equity
Cash and equivalents	$	10		Accounts payable	$	100
Accounts receivable		575		Accruals		290
Inventories		920		Notes payable		210
Total current assets	$	1,505		Total current liabilities	$	600
Net plant and equipment		2,275		Long-term bonds		1,510
				Total liabilities	$	2,110
				Common stock (100 million shares)		270
				Retained earnings	$	1,400
				Common equity	$	1,670
Total assets	$	3,780		Total liabilities and equity	$	3,780

Davidson Corporation: Income Statement for Year Ending
December 31, 2018 (Millions of Dollars)
Sales	$	5,250
Operating costs excluding depreciation and amortization		2,782.5
EBITDA	$	2,467.5
Depreciation and amortization		105
EBIT	$	2,362.5
Interest		211
EBT	$	2,151.5
Taxes (40%)		860.6
Net income	$	1,290.9
Common dividends paid	$	993.993
Earnings per share	$	12.909

1. Construct the statement of stockholders' equity for December 31, 2018. No common stock was issued during 2018. Write out all your answers completely. For example, 25 million should be entered as 25,000,000. Round your answers to the nearest share or dollar.

   	Common Stock		Retained	Total Stockholders'
   	Shares	Amount	Earnings	Equity
   Balances, 12/31/17		$	$	$
   2018 Net income	x	x		x
   Cash dividends	x	x		x
   Addition to RE	x	x	x
   Balances, 12/31/18		$	$	$

   Enter your answers for parts b-d in millions. For example, an answer of $25,000,000 should be entered as 25.

2. How much money has been reinvested in the firm over the years? Round your answer to the nearest hundredth of million, if necessary. $ million
3. At the present time, how large a check could be written without it bouncing? Round your answer to the nearest hundredth of million, if necessary. $ million
4. How much money must be paid to current creditors within the next year? Round your answer to the nearest hundredth of million, if necessary. $ million