please help with part B. im including the answer to part A

10. Westgate has decided to hire service representatives to implement a proactive service call strategy to address service issues using the following approach Customers were divided into 4 groups based on the contribution to the company profit. Large customers who accounted for 40% of the profit were grouped as Class A customers. Given the importance of these customers, service representatives call on Class A customers 20 times a year. These service representatives meet with multiple groups within the firm and spend about 1.5 hours for each call. The next group of large customers were grouped as Class B customers and were visited once every month with each call lasting about 45 minutes. The next two groups accounted for 35% of the profits. Service reps make a regular call every 2 months to Class C customers and spend about 20 minutes each. Class D customers are visited once every three months for 20 minutes call. Table 1 below provides you the call frequency for customer groups. Table 1 Number Class of Custome % Profit Provided by the Customer Segment No of Calls per Year per Customer Call Duration Minutes Cal Customer 70 40% 20 B 300 25% 12 4 5 C 800 20% 6 20 D 1830 15% 4 20 Total 3000 100% At Westgate employees work 40 hours per week and have 4 weeks of vacation time per year. Workload research shows that sales and service employees spend about 23.7% of their time in travelling, 16.3% in report writing and administrative tasks, 15% of the time in in departmental meetings and the remaining 45% in face-to-face service calls. a. Determine the number of service representatives Westgate need to hire using the workload approach. b. Service representatives are paid a salary of $ 65,000 per year. Firms incurs an additional 40% of the salary in benefits. Determine the new break-even sales in units and S. (A) Class of customers Number of customers % Profit Number of calls per year per customer Call duration (hours/call) Total hours(No. of customers x No. of calls per year x Call duration) Class of Number of % Number Call Total cusutomers customers Profit|of calls duration hours (No per year (hours of /call) customers customer |x No. of calls per year x Call duration) 170 40% 20 11.5 2100 per 300 25% 12 0.75 2700 800 20% 6 0.33 1600 1830 15% 4 0.33 2440 Total 3000 100% 8840 Work hours of an employee in a week = 40 Total working weeks = 52 -4 = 48 Work hours of an employee in a year = 40 x 48 = 1920 hours Actual hours for face to face service calls = 45% of 1920 = 864 hours Number of service representatives required = Total service hours / Service hour of 1 employee = 8840 / 864 = 10.23. Hence, the company needs 11 service representatives