Answer: d). Search costs; quality; trust
Explanation:
A strong brand can be an exceptionally powerful resource for competitive advantage by lowering search cost, proxying quality and inspiring trust. Lower search cost and high quality will provide a competitive advantage to the firm over other brands offering similar product. Inspiring trust of the consumers on the brand will enable them to get a large consumer base. If the customers have faith or trust in our brand then they will not buy other brands even if they sell at a lower price.
Thus, the correct option is d, Search costs; quality; trust