how to add/join 0material infoobject to infocube(0sd_c03)

Hi experts,

I searched on scn posts regarding my requirement but din get anything related so I am posting it.

I have to add 0material info object to info cube(0sd_co3),some body  please help me how can I do it i am doing it first time ,please elaborate the steps .

I have all my field in 0sd_c03 cube.

1) PAYER(KUNRG) 2) INVOICED NUMBER/BILLING DOCUMENT NO(VBELN). 3)  REGION DELIVERY PLANT(WKREG) 4)NET VALUE(NETWR)

NOW  I just need to add  these fields

1)MATERIAL GROUP 2)MATERIAL TYPE 3)MATERIAL NUMBER. all are there in (0MATERIAL) INFOOBJECTS.

please guide me with steps i tried my best for it but din get anything ,please help me.

Thanks and regards,

jyotsna singh