The financial information for Walmart's Retail Division for the fiscal year ending December 31, Year 14 is as follows:

Income Statement:

• Sales revenue: $10,000,000
• Cost of goods sold: $7,000,000
• Gross profit: $3,000,000
• Operating expenses: $1,500,000
• Depreciation: $500,000
• Operating income: $1,000,000
• Interest expense: $100,000
• Gain on sale of property: $50,000
• Net income: $950,000

Balance Sheet:

• Cash: $700,000
• Accounts receivable: $1,000,000
• Inventory: $1,200,000
• Property, plant, and equipment (net): $2,000,000
• Total assets: $4,900,000
• Accounts payable: $800,000
• Long-term debt: $1,000,000
• Stockholders' equity: $3,100,000
• Total liabilities and equity: $4,900,000

Requirements:

1. Calculate the ROI for Walmart's Retail Division.
2. Evaluate the operating income margin.
3. Determine the effect of the gain on sale of property on net income.
4. Compute the debt to asset ratio.
5. Discuss the significance of the gross profit in relation to sales revenue.