interest account determination

hi guys

i have one doubt in interest configuration on account determination. we have configure for customers and vendors. i have four t codes for it.

1)obv1- Interest on A/R arrears

2) obv9 --Interest on A/P arrears

3) obv4 --Vendor interest scale

4) obv3 --Customer interest scale

these all are related 2 account determination for vendors and customers rite. so can any one tell me what are the accounting entries for the customers and vendors. how to cerate account symbols for it.. plz any body tell me the accounting entries or the screen shots for it.

my id is ashokchandra(under score)n at sat(haifen)infotech(dot)com

regards

ashok