The factory is planning to produce a new product which would be processed in 2 different machines (A and B). The product is produced in sequential manner (machine A then machine B). The product defective rates and rework rates made by industrial engineer are shown below. If the factory will be operating 250 days per year, determine the number of machines for each units per year if only one shift is operated from 8:30 AM until 4:30 PM with 50 minute break for lunch.topic: facilities

Estimates Machines A B Average processing time (seconds/part) 30 40 Average maintenance time/ day (n minutes) 20 30 Average daily setup time (in minutes) 20 15 Defective rate (90] 15 10 Rework rave (90) 60 70