1. Finish the bill of materials for the hinge set we started in class (see image below A- Draw a bill of materials (BOM) hierarchy for the hinge set. Make sure that termination points end in purchased components only. B-Now create a BOM for every "made" part. Devise your own part numbering. In the Source column, simply indicate "Mfg." or "Purch." as appropriate. Stock No. Description Components Stock No. Qty Source Description