3.5 OPERATIONS SCHEDULING AND SEQUENCING 3.5.1 Differentiate between the shortest-processing-time (SPT) and earliest-due-date (EDD) sequencing rules respectively and describe the context in which you would use each rule. Motivate your answer. (5) 3.5.2 Define the concepts of scheduling and sequencing. How do they differ and how are they similar? (5) 3.5.3 Scheduling affects customer service and costs. Analyse this statement (2 marks) and provide an appropriate example (3 marks) to support your analysis.