The average part produced in a certain batch manufacturing plant must be processed sequentially through an average of three operations. Average operation time is 12min per machine per part. The average setup time is 3 hours per machine per batch, average batch size is 40 parts, and average nonoperation time per machine per batch is 3 hours. There are 6 machines in the plant. Each operation can be performed on any of two identical machines. Any machine can be set up for any type of batch processed in the plant. The plant operates one 8 -hour shift per day. 1) Build Arena Model for the manufacturing system