Which of the following is the best example of a lifechanging customer benefit? A) A gym institutes a buddy program in which a staff member checks in weekly with new enrollees to offer encouragement and advice. B) A coffee shop redesigns its drive-through window service to cut back on customer wait times. C) An office supply store institutes a loyalty card program in which customers can use earned points for discounts on future purchases. D) A restaurant redecorates to make its space more comfortable