Leander's dentist sends him an e-mail after each visit, thanking him for the visit and asking if he was satisfied with the services he received. Which of the following promotional strategies is the dentist using?
a. Stressing tangible cues
b. Emphasizing the perishable nature of the transaction
c. Engaging in post-purchase communication
d. Stressing tangible cues
Answer: c. Engaging in post-purchase communication