Bank of America Corporation is a multinational investment bank and financial services company. For the quarter ended September 30, 20X6, the company reported the following information:

• Total revenue: $40,000,000
• Cost of goods sold: $10,000,000
• Selling and administrative expenses: $8,000,000
• Other operating expenses: $4,000,000
• Income tax expense: $6,000,000 Calculate the company's net income, gross profit margin, operating income, and net profit margin.