The eight-person maintenance function at a hospital performs both preventive and corrective maintenance on hundreds of items each month. All the workers are scheduled for 40 hours per week and there are four weeks in a month. It is the goal of the maintenance department to achieve 85% utilization with a mix of two-thirds preventive maintenance and one-third corrective maintenance. A. How many hours each month are spent performing corrective maintenance if they achieve their 85% utilization and correct/preventive mix targets? (6.65 pts) B. How many hours each month are spent performing preventive maintenance if they achieve their 85% utilization and correct/preventive mix targets? (6.65 pts)