Company: Toyota Motor Corporation

Toyota Motor Corporation released its financial report for the fiscal year ending December 31, 2023. The company recorded total revenue of $300 billion, with a cost of goods sold (COGS) of $200 billion and operating expenses of $50 billion. Net income amounted to $40 billion. From 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 investment (ROI) if the company's total investment is $150 billion.