DEF Inc. provides the following financial details:

Income Statement for Year Ended December 31, 2023

• Total Sales: $1,500,000
• Cost of Sales: $900,000
• Gross Profit: $600,000
• Administrative Expenses: $250,000
• Selling Expenses: $100,000
• EBIT: $250,000
• Interest Expense: $30,000
• Tax Expense: $60,000
• Net Profit: $160,000

Balance Sheet as of December 31, 2023

• Assets:
  • Cash and Equivalents: $80,000
  • Accounts Receivable: $150,000
  • Inventory: $120,000
  • Property, Plant, and Equipment (Net): $450,000
  • Total Assets: $800,000
• Liabilities and Equity:
  • Current Liabilities: $130,000
  • Long-term Debt: $270,000
  • Common Stock: $250,000
  • Retained Earnings: $150,000
  • Total Liabilities and Equity: $800,000

Required:

1. Compute the ROI for DEF Inc.
2. Determine the quick ratio.
3. Calculate the net profit margin.
4. Find the equity multiplier.
5. Assess the interest coverage ratio.