9. What is the purpose of market segmentation? According to the criterion of 10. a selected segment must be large enough to warrant developing and maintaining a special marketing mix. Serving the specific needs of this segment must be commercially viable, even if the number of potential customers is small? 11. Segmenting of markets based on the region of the country or the world market size, market density (number of people within a certain unit of land), or climate is known as _? 12. Income, ethnic background, gender, and age are all examples of segmentation bases. 13. In Toronto, a radio station starts broadcasting in Russian for two hours daily to reach the 300,000 Russian-speaking people who live in Southern Ontario. What type of segmentation is the radio station using? 14. What is the difference between "customer value" and "customer satisfaction"? 15. The strategy that focuses on forging long-term partnerships with customers or suppliers is referred to as_ ?