Answer:
The correct option is (d)
Step-by-step explanation:
Product differentiation that aims at distinguishing its product from competitors. Differences could be in the form of product pricing or features. It is a type of marketing strategy to target specific customers.
Here, Dollar Shave club has differentiated its product in terms of saving money and time that other players in the market cannot offer. So, advertising campaign highlighting money and time aspect is an example of differentiation strategy.