Section II: Answer all questions 1. An order for 200 bell ringers is processed on work centers 10 and 20. The setup and run times are shown below. It is decided to overlap the lot on the two work centers and to split the lot into two lots of 75 and 125. Move time between operations (work centre 10 to work centre 20) is half an hour. Work center 20 cannot be set up until the first lot artives. Calculate the saving in manufacturing lead time. (8 marks) Work centre 10: Work centre 20: Setup on minutes- 50 minutes Runtime on minutes per piece - 5 minutes piece Setup on minutes-100 minutes Run time on minutes per piece - 7 minutes piece