Betty Decided to Open Up a Tea Shop in the Center

Betty decided to open up a tea shop in the center of town right near a fitness center. She wanted to know which brand of tea would be most popular among health-conscious individuals. She had two of her staff members stand outside the shop and invite everyone exiting the fitness center for a free cup of tea of their choosing. This customer group is known as a

A) sample.
B) focus group.
C) target market.
D) demographic.
E) potential customer.