Keith Corporation Balance Sheets
	December 31
Assets	2015		2014
Cash	$ 1,500		$ 1,000
Marketable securities	1,800		1,200
Accounts receivable	2,000		1,800
Inventories	2,900		2,800
Total current assets	$ 8,200		$ 6,800
Gross fixed assets	$29,500		$28,100
Less: Accumulated depreciation	14,700		13,100
Net fixed assets	$14,800		$15,000
Total assets	$23,000		$21,800
Liabilities and stockholders equity
Accounts payable	$ 1,600		$ 1,500
Notes payable	2,800		2,200
Accruals	200		300
Total current liabilities	$ 4,600		$ 4,000
Long-term debt	5,000		5,000
Total liabilities	$ 9,600		$ 9,000
Common stock	$10,000		$10,000
Retained earnings	3,400		2,800
Total stockholders equity	$13,400		$12,800
Total liabilities and stockholders equity	$23,000		$21,800
Keith Corporation Income Statement Data (2015)
Depreciation expense		$1,600
Earnings before interest and taxes (EBIT)		2,700
Interest expense		367
Net profits after taxes		1,400
Tax rate		40%

Calculate the firm's operating cash flow (OCF) for the year ended December 31, 2015 Please show formulas