The Variable Search assignment consists of performing everything that was done on the case study of the press brake parts and coming up with your own conclusions for the Engine Control Module case study shown on page 152 in the Reasoning Backward book. You may also refer to book titled World Class Quality, by Keki Bhote, published by AMACOM - American Management Association, NY, pages 250 - 256. You may use the Variable Search TM template given in Reasoning Backward book or simply follow the case study of the press brake. The data to be analyzed from the text has been included in the slides in the lecture