Hello, can I please get help answering this question with all the steps, thank you?

Consider the MPS, BOM and inventory data shown. Master Production Schedule: End item A Weeks 1 2 3 4 5 6 7 8 9 10 End Item AMPS Start 20 40|30| 20 40 On-Hand Bill of Material Item A uses 2 components D, 1 component Cand 2 subassembly B. Subassembly Buses 2 components .. Selected Inventory Data Scheduled Item Lot Sizing Rule Lead Time Receipts B L4L I week 40 in weck 1 POQ-3 2 weeks D FOO = 250 1 week E LAL 2 weeks 160 in week 2 40 100 . Construct the MRP schedule using the preceding information & Consider that you decide to change the review policy applied to item D by imposing a safety stock of 55 ls. Also consider that a periodic review mode with time between orders of 3 weeks is now imposed for this item. Which changes do these new conditions imply in the MRP schedule