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c) Compute the net quantities needed if there are 30 of the base and 100 of the clamp in stock. Base: Spring: units (enter your response as a whole number). units (enter your response as a whole number). units (enter your response as a whole number). units (enter your response as a whole number). Clamp: Housing: Handle: Casting: units (enter your response as a whole number). units (enter your response as a whole number). units (enter your response as a whole number). units (enter your response as a whole number). Bearing: Shaft: 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, 2 springs, and 4 clamps. The base is assembled from 1 clamp and 2 housings. Each clamp has 1 handle and 2 castings. Each housing has 1 bearing and 2 shafts. There is no inventory on hand. a) Design a product structure noting the quantities for each item and show the low-level coding. Match each number in the structure below with the corresponding item. Number Item Bracket I II Spring(2) Housing(2) Casting (2) Shaft(2) Base (1) I IV Clamp (1) II Clamp(4) Handle (1) III Bearing(1) IV Handle(1) Casting(2)