Berkshire Hathaway Inc. is a multinational conglomerate holding company. For the year ended December 31, 20X8, the company reported the following information:

• Total revenue: $120,000,000
• Cost of goods sold: $50,000,000
• Selling and administrative expenses: $30,000,000
• 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.