Answer: targeting
Explanation: In simple words, targeting strategies refers to the strategy involving the selection of potential customers and product that will be offered to those customers.
In the given case, Chandler is doing a minor change in the presentation of the goods offered so that he can target different type of customers. In the first store he is trying to target the high value customers by arranging the goods in a sophisticated manner and in the second one he is targeting the common customer.
Hence from the above we can conclude that Kumar is using different targeting strategies.