Ben’s Bike Shop has the following repair jobs awaiting Ben when he arrives in the morning for his typical lO-hour work day. All the bike repair jobs listed below were promised to their owners to be ready at certain times today. Determine the priorities for scheduling the jobs using due time; first come, first serve; shortest processing time; total slack; and critical ratio rules. The jobs are listed in the order in which the owners brought the bikes into the shop:

a. If his customers are willing to have their job slightly late without getting upset, which rule should he use and why? b. If his customers are likely to get upset if the job is not ready exactly when promised, what rule should he use and why? c. With the information in this chapter, what changes/approaches would you recommend that Ben should adopt in the future when it comes to both promising job completion and scheduling jobs?