5. Wu Systems has the following balance sheet. How much net operating working capital does the firm have? Cash Accounts receivable Inventory Current assets Net fixed assets $ 100 650 550 $1,300 1,000 Accounts payable Accruals Notes payable Current liabilities Long-term debt Common equity Retained earnings Total liab. & equity $ 200 350 350 $ 900 600 300 500 S2,300 Total assets $2,300