J.P. Robard Manufacturing Company Balance Sheet as at 31 December 2018 Item ($ in thousands) Cash 500 Account receivable 2,000 Inventory 1,000 Total current assets 3,500 Net fixed assets 4.500 Total assets 8.000 Accounts payable 1,100 Accrued expenses 600 Short-term notes payable 300 Total curernt liabilities 2,000 Long-term debt 2,000 Total common equity 4,000 Total liabilities and equity 8.000 J.P. Robard Manufacturing Company Income Statement for the Year Ended December 31, 2018 Item ($ in thousands) Net sales 8,000 Cost of goods sold 3,300 Gross profit 4,700 Operating expenses (includes $500 depreciation) 3,000 Net operating income 1,700 Interest expense 367 Earnings before taxes 1,333 Income taxes (40%) 533 Net income 800 Calculate the following ratios from the above informations: 1) Profit margin ii) Return on assets 111) Total asset turnover iv) Current ratio