Accounts payable $ 30,000 Accounts receivable 65,000 Accrued liabilities 7,000 Cash 20,000 Intangible assets 40,000 Inventory 72,000 Long-term investments 100,000 Long-term liabilities 75,000 Marketable securities 36,000 Notes payable (short-term) 20,000 Property, plant, and equipment 625,000 Prepaid expenses 2,000 Based on the above data, what is the amount of working capital