Can you explain how to do this assignment step by step please?

HW N7. Due 5/1 (Fri). This homework is worth 20 points. Given the following data, develop MRP plans for items C, D, E and F. M's start for end items: The following table shows the MPS start information for two end items: item A and B. For example, we have a plan to start producing 80 units of end item A in week 3. End item Week 1 Week 2 Week 3 Week 4 Week 5 Week 6 80 100 60 100 Bill of materials: - End item A is made of 1 unit of item C and 1 unit of item D. - Item D is made of 2 units of item E and 2 units of item F. - End item B is made of 1 unit of item C and 2 units of item F. MRP-related information for each item: Item Leadtime Lot sizing Lot sizing (weeks) Safety stock requirement Scheduled receipts L4L0 LAL FOQ (250) FOQ (100) Available on-hand inventory 50 80 90 30 80 in week 1 None | 250 in week 3 200 in week 1 Week 1 Week 2 Week 3 Week 4 Week 5 Week 6 SR PAB POR PAB PR POR GR SR PAB PR POR GR SR PAB PR POR