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Which option is the safer default when shipping code around function extraction?

Multiple choiceHardchapter-2-curatedpremiumfunctionsfunction-extraction
python
def calculate_subtotal(unit_price: float, quantity: int) -> float:
    return unit_price * quantity


def shipping_fee(subtotal: float) -> float:
    return 0 if subtotal >= 100 else 6.50
Choose one answer
Answer and explanation

Correct answer

C. Choose the simpler shape that keeps the rule obvious, validated, and easy to observe in logs or tests.

Why

The safest default is usually the one that lowers ambiguity and makes errors easier to diagnose.

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