intangible intangible drop zone empty. inseparable inseparable drop zone empty. inconsistency an opera performer may have a bad cold and give a worse-than-typical performance when you see her. inventory inventory drop zone empty. students' evaluations of their education will be influenced primarily by their perceptions of instructors, counselors, librarians, and other people at the university. there are high costs associated with paying a physician to see patients but no one schedules an appointment. the consumer cannot evaluate the quality of an airline flight before getting onboard.
