Below are numbers from a balance sheet and income statement. Construct the financial ratios requested below.

Sales 517288 Operating Costs 370373 Depreciation Expense 10000 Interest Expense 5000 Tax Expense 29408 Cash 1000 Receivables 30000 Inventories 61728 Fixed Assets, Net 50000 Payables 11000 Accrued Expenses 10000 Long-Term Loan 50000 Common Equity 71728

Calculate:

5. Ratio of total debt and liabilities to total assets 6. Ratio of total debt and liabilities to shareholders equity 7. Interest coverage 8. Net profit margin