A bank loan has been given to a customer at a bank with a FIXED nominal interest

A bank loan has been given to a customer at a bank with a FIXED nominal interest rate of 13%. The real interest rate for the bank's profit margin is 10%.
The next year, unanticipated INFLATION has increased another 7%.
The new real interest rate is
and the
was hurt.
O 3%; lender
O 15%; lender
O 8%; borrower
O 3%; borrower
O 5%; lender
O 8%; lender