(b) Preferably using foreign materials
According to the textbook, entrepreneurs are expected to use local materials (resources available around them) — not foreign materials. The other options — sharing of wealth, fulfilling customer needs, and helping society — are all recognised roles/tasks of an entrepreneur.
Source: Session 1: Entrepreneurship and Society, Chapter 4
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The chapter explicitly states that one function of an entrepreneur is to "Use Local Materials" — using material and people available around them to make products at low cost. "Preferably using foreign materials" directly contradicts this, making it the odd one out. Examiners expect you to recall this specific point from the functions/roles of an entrepreneur.