Answer:
None of the above
Explanation:
As the differentiation strategy focuses on the gaining maximum customers even in highly competitive market, this is done by maximum customer service and includes all of the above.
Thus all the statements in the question are valid and are part of discrimination policy.
Whether it be the additional cost benefit to customers, the extra benefits of using the product, or the increase in satisfaction in customers with any-kind like, non economic or intangible.