Answer:
B. Increasing buyer power with a loyalty program.
Step-by-step explanation:
Businesses use many ways for customer retention. One of them is loyalty program. Loyalty program is a form of customer retention program which rewards customer for purchasing up to a particular units of goods and service. The major benefit of this program to customers is that it will increase their purchasing power.
Callie Crystal offering customer a free pound of coffee of their choice is an attempt to increase buyer power. So increasing buyer power with a loyalty program is correct.
Option A is wrong because loyalty program increases buyer power. Option C & D are not relevant in answering the question.
Only option B is correct.