Answer: d. By choosing the right distribution channel.
Explanation:
In order for Santos to benefit effectively from the services they offer, they need to select the right distribution channel that will ensure that their products and services get to their customers in such a way that the customers are able to utilize these services.
They need to research the various distribution channels available to them and then based on the unique circumstances of their customers, decide which one would be best to ensure maximum reach to their customer base.