Which of the following is true about process layouts when they are compared to product layouts? Select one: O a lower variety of processing requirements O b. Lower unit handling costs Oc Less vulnerable to shut down because of mechanical failure O d. Lower skill levels among labour force e. Lower in-process inventories Which sequencing rule is designed specifically to minimize job lateness? Select one: Earliest due date (EDD) . O b. Minimum slack time (MST) w . First come first serve (FCFS) O d. Shortest processing time (SPT) O e Critical ratio (CR) The total time needed to complete a group of jobs from the beginning of the first job to the completion of the last job is called the: Select one: O a Job flow time O b. Delivery time Oc Average WIP O d. Earliest due date (EDD) O e Make-span