Below is the balance sheet for Glucose Control Company as of Dec. 31, 2020.

Assets			Liabilities and Equity
Cash	12,000		Accounts payable	16,000
Marketable securities	2,000		Notes payable	6,000
Accounts receivable	6,000		Total current liabilities	22,000
Inventory	36,000		Long-term debt	95,000
Total current assets	56,000		Total liabilities	117,000
Machines	34,000		Paid-in capital	20,000
Real estate	80,000		Retained earnings	33,000
Net fixed assets	114,000		Total equity	53,000
Total assets	170,000		Total liab. & equity	170,000

Half of the cash is not needed for operations.

What is the company's net operating working capital (NOWC)?