PROBLEM 4. JPMorgan Chase has a scheduling problem. Operators workeight-hour shifts and can begin work at midnight, 4M., 8 A.M., noon, 4 P.M., or 8 P.M. Operators are needed to satisfy the following demand pattern. Time Period Midnight to 4 A.M. 4 A.M. to 8 A.M. 8 A.M. to noon Noon to 4 P.M. 4 P.M. to 8 P.M. 8 P.M. to midnight Operators Needed 5 8 90 80 40 20 882 Formulate a linear programming model to cover the demand requirements with the minimum number of operators.