Analysts Examined the Relationship Between Satisfaction Levels and Repeat Sales

Analysts examined the relationship between satisfaction levels and repeat sales at McGregor Buy & Save.They found that 88 percent of repeat purchases came from satisfied or very satisfied customers.They found that a one percentage point in overall satisfaction could bring in 6 million in repeat sales annually.This analysis is an example of:

A) defect ratio.
B) zero budgeting.
C) cost-benefit analysis.
D) interlinking.