Lockbox – Apply receipt to interest and fees before invoice principal amount

We are implementing Lockbox in Oracle Fusion Receivables and have the following business requirement. When a customer has multiple open invoices, a payment received through Lockbox must be applied in the following order:

1. First, pay all outstanding interest, penalties, and fees created as adjustments across all open invoices for the customer.
2. Only after all interest, penalties, and fees have been fully paid, apply the remaining amount to the invoice principal, starting with the oldest invoic

The customer makes a payment of $1,000.

The expected application is:

• $100 → Interest/fees of Invoice 1
• $80 → Interest/fees of Invoice 2
• $60 → Interest/fees of Invoice 3
• Total applied to interest/fees =