Identify from the following the best option retailers should select to reduce the knowledge gap. Multiple choice question. Retailers should avoid providing a combination of personalized and standardized services as they seldom help to build a competitive advantage. Retailers should rely solely on customer complaints as a source of market information. Retailers should survey employees who are in regular contact with customers to better understand service expectations and problems. Retailers should provide standardized services rather than personalized service when the purchase decisions involve high risk