ZAB Inc. has the following financial data for the fiscal year:

Income Statement for the Year Ended December 31, 2023

• Net Revenue: $700,000
• Cost of Sales: $400,000
• Gross Profit: $300,000
• Operating Expenses: $120,000
• Depreciation Expense: $40,000
• Operating Income: $140,000
• Interest Expense: $10,000
• Tax Expense: $30,000
• Net Income: $100,000

Balance Sheet as of December 31, 2023

• Assets:
  • Cash: $35,000
  • Accounts Receivable: $75,000
  • Inventory: $50,000
  • Fixed Assets (Net): $140,000
  • Total Assets: $300,000
• Liabilities and Equity:
  • Current Liabilities: $60,000
  • Long-term Debt: $50,000
  • Total Liabilities: $110,000
• Equity:
  • Common Stock: $100,000
  • Retained Earnings: $90,000
  • Total Equity: $190,000

Required:

1. Calculate the gross profit margin for ZAB Inc.
2. Determine the current ratio.
3. Find the debt-to-equity ratio.
4. Compute the return on assets (ROA).
5. Assess the times interest earned (TIE) ratio.