1. Feedback in sales communication can be either verbal or nonverbal. 2. While describing a complex machine to a customer, Tiana notices that the customer looks puzzled. She asks the customer what part of the presentation needs further explanation. The customer replies, "I would like to know more about how can the machine help me save on electricity bills." Tiana then provides the requested details. This scenario best illustrates two-way communication. 3. When making her sales presentation to an important customer, Sarah is frequently interrupted by announcements coming through her company's speaker system. In this scenario, Sarah is most likely experiencing noise. 4. The 30-20 listening rule suggests that salespeople should try to speak 80 percent of the time and listen no more than 20 percent of the time. S. The fact that people generally speak at a faster rate than they listen attributes toward the speaking-listening differential. 6. in the context of voice characteristics, articulation refers to the tone or pitch of speech and is used to reduce monotony. 7. During a sales interaction, the salesperson should verify the information he or she is collecting from the customer, and a useful way to do this is to repeatword for wordwhat has been said