Compute Lead Time 1saacson Dental inc. is considering a new lean product ceil. The present manufactiring approach preduces a product in four separate steps. The production botch sizes are 50 units. The process time for each step is as follown: Process Sted 1 6 minutes Process Step 2 12 minutes Process Step 3 9 minutes Process 5 tep 4 3 minutes The time requred to move each batch between steps is 6 minutes. In addition, the time to meve raw materials to Process step 1 is also 6 minutes, and the time to more completed units fram Process 5 rep 4 to firished goods inventory is 6 minutes. The new lean layout will allow the company to reduce the batch sizes from So units to 2 unats. The time required to move each batch between steps and the inveritory localions will be reduced to 1 minute. The processing time in each stes will stay the same. Determine the value-added, hon-value-adsed, and total lead times, and the yalue-added ratio under the (o) present and (b) proposed prodiction spproaches, If required, round percentages to one decimal place. Present Appreach Proposed Approach Value-sdded time Nonivelve-added time 32 min Total lead time 62min Valueradded ratio (ss a percent) 1.9 48.444