Rounding differences are not qualified changed circumstances.
As David stated these people are acting like jerks and I most definitely would be looking to change investors as soon as reasonably possible.
From Appendix C of RESPA.
Top of the Form —The loan originator must enter its name, business address, telephone number, and email address, if any, on the top of the form, along with the applicant's name, the address or location of the property for which financing is sought, and the date of the GFE.
A loan officer is not an it, the loan originator (the bank/lender) is.
From 1024.2
Loan originator means a lender or mortgage broker.
_________________________
The opinions expressed are mine and they are not to be taken as legal advice.