Oracle Grants burden rounding issues: reporting expenditures and invoicing federal sponsors

We are on R12.1.3 and use Oracle Grants Accounting in project-centric mode.

I'm aware that many Grants users are aware of a burden rounding issue where expenditure processing generates one amount of  burden expense for a given set of expenditures while invoice processing generates a different burden expense amount.  I understand that when one of our sponsored programs accountants reports an award's direct expenditures through a reporting system such as the NIH Commons, the NIH system generates the burden amount which we must match when we invoice the award.  When our invoicing process generates a different burden amount from that generated by the Commons, we must perform a workaround in the system so