Answer:
Average defection rate = 3.9%
Step-by-step explanation:
Average defection rate is the rate are which customers stop using a companie's products and services.
It could result from move to other competitors.
To calculate use the following formula
Customers per year= Spending per visit* Yearly frequency* Gross margin* (1/Defection rate)
3,200= 60* 52* 0.04*(1/Defection frequency)
Defection frequency (3,200)= 124.80
Defection rate= 124.80/3,200= 0.039= 3.9%