After Sassie spent $500 at Chico's, she became an instant member of the Chico's Passport Club. Passport members receive an additional 5% off on any future purchases. Chico's keeps Sassie updated by providing information about sales and store events to entice her future visits. The Passport club is an example of a:
A. Marketing tool
B. Customer service strategy
C. Warehouse club
D. Clothing club
E. Loyalty program
Answer: E