MRP to generate procurement proposal

Hi,

1.PART-XYZ is bought out

2.PART-XYZ is consumed to have PART-A

3.PART A transferred to plant 1001 for processing

4.After processing PART A converted to PART B

5.PART B transferred to Plant 1002

6.PART B consumed in Final assembly

when I run MRP for final assembly in 1002 the procurement proposal should generate for PART XYZ,

please let me know the settings require,

Thanks