Walmart Inc. operates a chain of retail stores. For the year ended December 31, 20X7, the company reported the following financial information:

• Total revenue: $150,000,000
• Cost of goods sold: $70,000,000
• Selling and administrative expenses: $35,000,000
• Other operating expenses: $20,000,000
• Income tax expense: $25,000,000 Calculate the company's net income, gross profit margin, operating income, and net profit margin.