Caterpillar Inc. is an American Fortune 100 corporation that designs, develops, engineers, manufactures, markets, and sells machinery, engines, financial products, and insurance to customers via a worldwide dealer network. For the quarter ended March 31, 20X8, the company provided the following financial details:

• Total revenue: $22,000,000
• Cost of goods sold: $9,000,000
• Selling and administrative expenses: $5,000,000
• Other operating expenses: $2,500,000
• Income tax expense: $3,500,000 Calculate the company's net income, gross profit margin, operating income, and net profit margin.