Wu Systems has the following balance sheet. Assume that all current assets are used in operations. How much net operating working capital does the firm have? Cash $ 100 Accounts payable $ 200 Accounts receivable 650 Accruals 155 Inventory 550 545 Notes payable Total current liabilities $ 1,300 Current assets $ 900 600 $ Net fixed assets 1,000 Long-term bonds Total liabilities $ 1,500 Common stock 300 Retained earnings 500 Common equity 800 Total assets $ 2,300 Total liab. & equity $ 2,300