https://www.youtube.com/watch?v=T5_qqqbOIHM&feature=emb_title

Robert Louis Stevenson once noted, "Everyone lives by selling something." Companies around the world, especially insurance and pharmaceutical companies, use sales forces to sell products and services to customers.Based on your understanding of the video above, answer the following questions: What are the roles of personal selling in insurance and pharmaceutical company's promotion mix? Do you think if the companies use different tools of promotion mix, their marketing objectives can be achieved?