1) What is the theoretical minimum for the smallest number of workstations that Helms can achieve in this assembly line? ii) Graph the assembly line and assign workers to workstations. Can you assign them to the theoretical minimum? iii) What is the efficiency of your assignment? (b) As the production planner for Xiangling Hu Products, Inc, you have been given a bill of material for a bracket that is made up of a base, two springs, and four clamps. The base is assembled from one clamp and two housings. Each clamp has one handle and one casting. Each housing has two bearings and one shat. There is no inventory on hand. [4 marks] i) Design a product structure noting the quantities for each item and show the low-lievel coding. i) Determine the aross auantities needed of each item if vou are to assemble 50 brackets