What does first-come, first-served refer to? ANSWER Unselected The amount of time a job spends in the service or manufacturing system Unselected A priority sequencing rule that holds that the job with the earliest due date is the next one to be processed Unselected The process of completing a job sooner than would otherwise be done Unselected A priority sequencing rule that holds that the job arriving at the workstation first has the highest priority