Invoice Tolerance not splitted from MNR

Tolerance Amount is not getting into the invoice tolerance account. The matched amount is not splitted into MNR(Matched not received) and Invoice Tolerance account in 9.0.1. Steps followed: Step 1: Created a PO in PO20 (Unit cost 10 and Quantity 10) and released it. Step 2: Create Invoice in AP20.2 with invoice amount =60. Step 3: AP20.2 opens MA43, Create an invoice detail in MA43. Modify the unit cost as 12 for quantity 5. Step 4: Accept the invoice message in MA66.3 and release it. Step 5: Inquire the invoice in MA61 and approve the same in MA61. Step 6: Inquire the invoice in AP30.2 . It should show 2 entries. One for Matched Not invoiced account with 5*10=50 and next with Invoice tolerance account with 5*2=10. But it is displaying a single line with amount 60.