LMN Co. has the following financial data:

Income Statement for the Year Ended December 31, 2023

• Sales Revenue: $2,000,000
• Cost of Goods Sold: $1,200,000
• Gross Profit: $800,000
• Selling and Administrative Expenses: $300,000
• Depreciation Expense: $100,000
• Operating Income: $400,000
• Interest Expense: $50,000
• Tax Expense: $100,000
• Net Income: $250,000

Balance Sheet as of December 31, 2023

• Assets:
  • Cash: $100,000
  • Accounts Receivable: $300,000
  • Inventory: $250,000
  • Property, Plant, and Equipment (Net): $600,000
  • Total Assets: $1,250,000
• Liabilities and Equity:
  • Accounts Payable: $150,000
  • Notes Payable: $200,000
  • Long-term Debt: $300,000
  • Total Liabilities: $650,000
• Equity:
  • Common Stock: $400,000
  • Retained Earnings: $200,000
  • Total Equity: $600,000

Required:

1. Calculate the ROI for LMN Co.
2. Determine the inventory turnover ratio.
3. Find the net profit margin.
4. Calculate the current ratio.
5. Compute the equity ratio.