43. Bullets Format: Apple Inc. is evaluating the financial performance of its product segments. The company's product segments include:

• iPhones: Generated revenue of $50 billion and incurred operating expenses of $30 billion.
• MacBooks: Generated revenue of $20 billion and incurred operating expenses of $15 billion.
• iPads: Generated revenue of $10 billion and incurred operating expenses of $7 billion.

Calculate the operating profit margin for each product segment.