what are the decision variable, objectives and constraints? if you dont know the answer dont respond

what are the decision variable, objectives and constraints? if you dont know the answer font respond

Question 4 (20 points): ProExpert Network System provides network development services to small businesses. The company must schedule customer representatives so that the customers are provided with adequate care while at the same time keeping down the costs. The customer service department is open five days a week from 8:00 am to 5:00 pm. Calls vary over the course of a typical day. The minimum number of staff needed each hour of the day are as follows: Minimum Staff Hour Required 8-9 9-10 10-11 11-Noon Noon-1 1-2 2-3 3-4 4-5 S 12 15 12 11 18 17 19 14 The manager of the customer service department wants to hire part-time employees who work 4-hour shifts. The part-time employees should work four consecutive hours starting as early as 8:00 am or as late as 1:00 pm. Suppose that the manager has five permanent employees working full time (8 am - 5 pm). What is the minimum number of part-time employees the manager will need for each 4-hour shift to ensure meeting the staff requirements? Formulate an integer programming model to find the minimum number of part-time employees the manager will need for each 4-hour shift to ensure meeting the staff requirements. Make sure to explain in words what your decision variables represent. Use python to solve the