Which of the following investments aimed at increasing productivity is most likely to generate a positive externality?

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A large bank purchases updated computer equipment.Naila covers the cost of her higher education tuition.OGDC secures a lease on a new oil extraction site.Indus Motors acquires a new machine tool for manufacturing.

Explanation

Among the options, paying for university education (option B) is most likely to produce positive externalities because it not only benefits the individual but also society through a more skilled workforce and increased knowledge dissemination. The other options primarily generate private benefits without significant spillover effects.