6.10. An order for 200 of a product is processed on operation 111. The setup time is 100 minutes, and the run time per piece is 5 minutes. Since this is a rush order, it is to be split into two lots of 100 each and run on two machines in the work center. The machines can be set up simultaneously.

a. Calculate the manufacturing lead time if the 200 units are run on one machine.

b. Calculate the manufacturing lead time when run on two machines simultaneously.

c. Calculate the reduction in lead time.