Iv. make the sentences passive 1. we should take into account seasonal factors. 2. with the help of market research producers avoid overproduction. 3. the managers planned the selection of goods carefully. 4. the sociologists gave a questionnaire to present and prospective customers. 5. the questionnaire will disclose the problems and areas of dissatisfaction. 6. producers can offer a variety of new products in this area. 7. we must base marketing management on consumer requirement research. 8. if you don’t control the results, your activities will not be successful. 9. a better understanding of customers can improve marketing results. 10. the producers aimed their policy at satisfying the customers’ needs.