IBM sells computer and software solution to different types of customers such as hospitals which it counts 30% of their business; medium size care center which it counts for 30% of total customers, and doctors' offices counts for 40% of the total customers. IBM has 3000 customers in the market. IBM calls hospital every two weeks, care center once every four weeks, and doctors' offices every other month. IBM has estimated the length of the typical call should be 50 minutes, 30 minutes, and 15 minutes, respectively. Also, IBM allows their salespeople to work 40 hours a week, and IBM gives their salespeople 6 weeks for (vacation, sickness, and other personal days). Moreover, IBM allows their salespeople to spend 40% of their time face to face with customers and 60% between non-selling activities and travel time. Determine the number of salespeople needed by IBM based on the workload method? (5 points) CLO4