Company: Amazon.com, Inc. Amazon.com, Inc. operates an online retail platform. For the quarter ended March 31, 20X5, the company reported the following information:

• Total revenue: $50,000,000
• Cost of goods sold: $25,000,000
• Selling and administrative expenses: $15,000,000
• Other operating expenses: $7,000,000
• Income tax expense: $8,000,000 Calculate the company's net income, gross profit margin, operating income, and net profit margin.