Answer:
Real rate of interest will be 3 %
Step-by-step explanation:
We have given Caroline served $100000 for her retirement
Rate earned 4% interest on that money
So nominal rate earned = 4%
We have given inflation rate = 1%
We have to find the real rate of interest
Real rate of interest is given by
Real rate of interest = nominal rate earned - inflation rate
So real rate of interest = 4-1 =3 %