Answer:
he will charge to mother 7.6% interest
Explanation:
given data
expects inflation = 5.5%
earn = 2.1%
to find out
charge his mother for the loan
solution
we will apply here nominal return formula that is express as
nominal return = inflation rate + real return .................
put here value and we get
= 5.5% + 2.1%
= 7.6 %
so here he will charge to mother 7.6% interest