The following balance sheet information is provided for Apex Company for Year 2: Assets Cash Accounts receivable Inventory Prepaid expenses Plant and equipment, net of depreciation Land Total assets Liabilities and Stockholders' Equity Accounts payable Salaries payable Bonds payable (Due in ten years) Common stock, no par Retained earnings Total liabilities and stockholders' equity $5,400 15,500 18,000 1,600 20,200 19,950 $80,650 $4,500 11,500 19,000 30,000 15,650 $80,650 What is the company's working capital