Brennan is a customer who rinses mouth wash each night befor…

Brennan is a customer who rinses mouth wash each night before bed. Brennan’s dad, Michael, decides which brand of mouth wash is best suited for Brennan. Brennan’s mother, Amy, goes to the store every time Brennan is out of mouth wash and obtains and pays for his bottle.  What customer roles describe Brennan, Michael, and Amy, respectively?