Answer:
b. Geographical proximity leads to persuasion.
Step-by-step explanation:
Since in the question it is given that the a book store encourage the customers by providing free muffins and coffee, take the time for their browsing and motivates them to sit down and read a book
So this tactic shows the comfortably of the person that he or she could enjoy themselves, and have a great time and feeling safe . Many companies providing this type of service which results in gaining the trust of the customers