12 Use the following data to determine the total amount of working capital. Koonce Office Supplies Balance Sheet December 31, 2017 $ $ 210,000 195,000 150.000 165.000 Accounts receivable Inventory Prepaid insurance Stock investments 30,000 Accounts payable Salaries and wages payable Mortgage payable Total liabilities 240,000 $480,000 255,000 270.000 $325.000 Sailing Les Accumulated Common stock Retained earnings Total stockholders' equity Total liabilities and stockholders' equity $360,000 750,000 $1,110,000 150.000_275.000 Trademarks $1.590.000 Minimized View $360,000 $390,000 $130,000 $180.000