Sandy Tappan Owns an Automobile Detailing Business Called Sizzlin' Shine

Sandy Tappan owns an automobile detailing business called Sizzlin' Shine.Her goal is to outperform other auto shops by specializing in detailing services.Her shop doesn't do any mechanical or collision repair work.Tappan prices her detailing service higher than her competition because she uses only the best materials,and they cost more than the materials used by her competitors.Her goal is to maximize profits.
-Refer to Sizzlin' Shine.Sizzlin' Shine's customers can judge the quality of the detailing services on their automobiles only after driving them for a period of time and seeing how the shine holds under various driving conditions.What can customers use to evaluate the service?

A) heterogeneous features
B) credence qualities
C) search qualities
D) experience qualities