The solution to problem B. is shown below. I would just like an explanation for the planned order receipts and on hand solutions. Thank you

GPS Navigation Device (A) (1) Battery (B) (1) Touch Screen (C) (1) Body (D) (1) LED (E) (1) Sensor (F) (2) Processor (G) (2) Sensor (F) (4) GPS Receiver (H) (1) The master production schedule for the GPS navigation device is listed below: 3 Week 1 2 4 5 6 7 MPS Replenishment 0 4800 3500 3700 3100 4500 Additional information regarding the inventory policies for each item is listed below: 8 4700 0 N/A B Lead Beginning Safety Scheduled receipts Item time Lot size inventory stock (weeks) Quantity Week A 0 0 2 L4L N/A 5000 600 1 L4L 2000 2 9000 700 2 L4L 3000 1 D 3000 500 1 L4L 5000 1 E 7500 2000 2 FOQ=5000 15000 2 F 30000 3000 1 FOQ=20000 10000 3 G 13000 1000 2 FOQ=10000 4500 2 H 6000 800 1 FOQ=7000 6000 4 Notes: (i) L4L = Lot for lot. (ii) Scheduled receipt indicates the quantity and timing of any incoming orders, e.g., 4000 units of item Care scheduled to arrive in week 1. a. Prepare a schedule of planned order releases for end-item A based on the master schedule. b. Please generate the MRP charts for weeks 1-8 for items C, D, F and G. The gross requirements for item Care derived from the planned order releases of item A. Each item A requires 1 unit of item C, so the gross requirements for item Care equivalent to the planned order releases of item A. 8 O 00 Item C (LT=2 weeks, SS=700, L4L) Week Gross requirements Scheduled receipts Planned order receipts On hand Planned order releases 1 2 3 4 5 6 7 4800 3500 3700 3100 4500 4700 0 3000 0 0 700 3100 4500 4700 0 9000 7200 3700 700 700 700 700 700 700 3100 4500 4700 0 0 0 0 700 0