Company: 3M Company

3M Company released its financial report for the fiscal year ending December 31, 2023. The company recorded total revenue of $50 billion, with a cost of goods sold (COGS) of $25 billion and operating expenses of $15 billion. Net income stood at $10 billion. Based on this information: a) Calculate the gross profit margin. b) Determine the operating profit margin. c) Compute the net profit margin. d) Evaluate the return on equity (ROE) if shareholders' equity is $30 billion.