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Amman Company has total assets of $250,000 and total liabilities of $100,000. The operating profit equals $35,000 the interest expenses and tax expenses are $5,000 and $4,500 respectively, the total sales revenue equaled $1.540.000. Find the followings: 1. Debt ratio 2 Financial leverage multiplier (equity multiplier). 3. Time interest earned (TIE). 4. Net profit margin 5. Return on equity 6. Return on total assets