Elderly travelers as well as those who are physically challenged find it hard to climb stairs when they are allotted motel rooms which are not on the first floor. The Convenience Inn has succeeded in catering to this specific group of customers via its motels, all of which have one floor of rooms with no stairs to climb. Which of the following refers to The Convenience Inn's success in identifying distinct groups of consumers whose needs, wants, and purchasing behavior differ from others in important ways?A) market penetrationB) market developmentC) market segmentationD) product developmentE) diversification