To better understand customer expectations regarding service, retailers can make good use of which academic framework? Question 13 options: 1) Superior service, Exceptional content, Relationship-driven programs, Visionary tactics, Infallible follow-up, Confidence-building communication, and Empowered-customer (S.E.R.V.I.C.E.) 2) Price, Range, Information, Convenience, and Experience (P.R.I.C.E.) 3) Data, Insight, Action, and Loyalty (D.I.A.L.) 4) Political, Economical, Sociological, and Technological (P.E.S.T.)