Answer: zero
Step-by-step explanation:
It should be noted that real interest rate is the equal to the nominal interest rate after the inflation rate has been deducted.
Real Interest rate = Nominal rate - Inflation rate
For example let's say the nominal Interest rate and the inflation rate are both 5%, then the real interest rate will be:
Real Interest rate = Nominal rate - Inflation rate
Real interest rate = 5% - 5% = 0