Alberta Corporation has the following balance sheet. How much net operating working capital does the firm have? Cash $20 Accounts payable $50 30 Accruals 20 Short-term investments Accounts receivable Inventory Current assets Net fixed assets Total assets 70 Notes payable 40 Current liabilities $160 Long-term debt 150 Common equity $310 Total liab. & equity 50 $120 100 90 $310