A company that produces plates, requires different components for assembly. - The components for one of their most purchased plates (A) include 2 elements B and 3 elements C. - Each element B consists of 1 piece D and 4 piece E. - Each element C has 2 pieces F, 5 pieces G and 4 pieces H. Given the above information and table: 1. Build a product structure 2. Determine the needs of each component if 120 plates are required. 3. Develop the gross material requirements plan