Which client would you advise to use radius targeting?

• Luis, whose e-commerce business delivers nationwide
• Christopher, who wants to promote his new product in select cities
• Mabel, who wants to exclude her ads from certain cities
• Denise, whose service can reach customers within 30 miles

The correct answer is: Denise, whose service can reach customers within 30 miles

Which client would you advise to use radius targeting?