The seven-person maintenance function at a hospital performs both preventive and corrective maintenance on hundreds of

The seven-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 90% utilization with a mix of three-fifths preventive maintenance and two-fifths corrective maintenance.

a) How many hours each month are spent performing corrective maintenance if they achieve their 90% utilization and corrective/preventive mix targets?

b) How many hours each month are spent performing preventive maintenance if they achieve their 90% utilization and corrective/preventive mix targets?

 

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