e lume is eliminated ratio under the traditional and becamente maring method Cound personages to me decom Determine the value-added, noved, and we tendens, and we is changed however, huncha redaced place.) EX 26-7 Calculate lead time Williams Optical Inc. is considering new lean product of the pre- approach produces a product in four spare eps. The production des The process time for each step is as follows Process Step Process Step 2 Process rp 3 4 minutes Process Step The time required to move each batch between steps is 5 minutes. In addition, the time to move raw materials to Process Step 1 is also 5 minutes, and the time to move completed units from Process Step 4 to finished goods inventory is 5 minutes The new lean layout will allow the company to reduce the benches from units to units. The time required to move each batch between steps and the inventory locations will be reduced to 2 minutes. The processing time in each step will say the same Determine the value added, non-value-added, and total lead times, and the value-added ratio under the present and I proposed production approaches (Round percentages to ne decimal place)