Company: Caterpillar Inc.

Caterpillar Inc. released its financial report for the fiscal year ending December 31, 2023. The company recorded total revenue of $70 billion, with a cost of goods sold (COGS) of $40 billion and operating expenses of $20 billion. Net income amounted to $10 billion. Based on this data: a) Calculate the gross profit margin. b) Determine the operating profit margin. c) Compute the net profit margin. d) Analyze the return on assets (ROA) if the company's total assets amount to $200 billion.