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.
Answer: interlinking.