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Nominal vs. real interest rates


The Iron Bank wants to make sure that the purchasing power of the interest that they get paid on loans is at least 11%. Real GDP is increasing at 5% per year, and the expected rate of inflation is 7% per year.
If all banks in Westeros want to earn the same real return as the Iron Bank, what is the nominal interest rate (n.i.r) in Westeros?
Choose 1 answer: