A retail chain, facing declining sales, introduced a customer loyalty program offering rewards for repeat purchases. Within a year, the chain saw a 30% increase in customer retention and a 15% increase in sales from returning customers. Managers believe the loyalty program played a significant role in this positive change. However, some believe it could have been due to other market factors such as product quality improvement or seasonal trends.
Which of the following conclusions is the most accurate?

Correct option is A

Explanation:
[a] is correct because the story attributes the 30% increase in retention and 15% sales increase due to the loyalty program.
[b] is too general; not all loyalty programs are always effective.
[c] is incorrect as the managers believe the loyalty program played a significant role.
[d] is false; the program did have an effect.
[e] is incorrect because other factors might have contributed too.