A company has the following balance sheet. What is its total operating capital? Cash $ 70 Accounts payable $ 30 Short-term investments 20 Accruals 50 Accounts receivable 20 Notes payable 30 Inventory 40 Current liabilities 110 Current assets 150 Long-term debt 70 Gross fixed assets 140 Common stock 30 Accumulated deprec. 40 Retained earnings 40 Net fixed assets 100 Total common equity 70 Total assets $250 Total liab. & equity 250 a. $130 b. $150 c. $160 d. $170 e. some other number