please include steps

Practice Exam 4 (actual exam 4 may be longer) Carry two decimals unless mentioned otherwise, Custom Cabinets builds cabinets to order. The issue at their shop is to determine the best sequence of the last two steps in the process: staining and finishing. Staining is for the color of the cabinets whereas finishing is for the protection of the wood. To minimize the average flow time they have decided to use Johnson's rule to determine the sequence of the jobs on hand. Your task is to determine the sequence and answer questions 1-4: Processing times on: Cabinet Staining Finishing 6 3 0 4 5 2 8 6 2 1 A B D E mo None 1) Which cabinet is to be processed first? A B C D E 2) Which cabinet is to be processed second? 3) What is the average flow time? 12.60 14.30 16.20 17.05 15.60 4) What is the makespan (Fmaa) (when all jobs are completed)? 22 31 23 27 41