. Rufus opened a fast-food restaurant on the corner of First and Main Streets in a small town. He named the restaurant The Hamburger Place. He offered one type of hamburger (a juicy homemade hamburger), for which he designed a marketing mix for the entire hamburger-eater market in town. What approach did he use in choosing a target market?

a. Differentiated
b. Market segmentation
c. Undifferentiated
d. Marketing-mix
e. Target market