Geographic segmentation is particularly important in retailing and many services businesses, where customers are unwilling to travel very far to obtain the goods or services they require. Thus, one way to segment retail markets is by distance or driving time from a particular location. The area included within such a geographically defined region is called a$($n$)$

Select one:

a$.$ target market

b$.$ business zone

c$.$ trade area

d$.$ shipping area