What is the role of a medical representative (MR) in pharmaceutical selling?

Kindly answer the following question using a matrix.
1. What is the role of a medical representative (MR) in pharmaceutical selling? Discuss the competencies required to become a successful MR.
2. Discuss the various sources for recruiting sales personnel for pharmaceutical companies such as Laurs & Bridz. How can the company calculate the number of applicants required to fill a position? How can the company evaluate the effectiveness of various sources of recruitment?
3. Discuss the benefits of sales training in pharmaceutical selling. What training cycle should Laurs & Bridz adopt?
4. What aspects of the job should be covered in the sales training of MRs? Should first-time and experienced MRs undergo similar or different training programs when they join the organization? Discuss the benefits of on-the-job training.
5. Discuss the importance of different output and input goals for evaluating the MRs.