Part of a Wendy's Survey That Assessed Fast-Food Restaurant Preferences

Part of a Wendy's survey that assessed fast-food restaurant preferences among present and prospective consumers seeks details about personal and household demographic characteristics. Such questions help Wendy's to

A) know if children eat at its restaurants.
B) understand the needs and wants of potential customers.
C) segment the fast-food market.
D) know how much people earn so it knows whether it should take credit cards for purchases.
E) send these respondents coupons for the products that would appeal to them most.