Answer:
a.Bottom of the pyramid strategy
Explanation:
Based on the information provided within the question it can be said that this is known as the bottom of the pyramid strategy. This is a business strategy in which the business focuses on targeting the bottom of the wealth pyramid which pertains to the lowest income families and poorest socio-economic group, which hold roughly 2.7 billion people worldwide. Which by offering an extremely cheap $50 laptop they are focusing on this population.