Which tend to be more volatile, short- or long-term interest rates? O Short-term interest rates Long-term interest rates If the inflation rate was 3.00% and the nominal interest rate was 4.80% over the last year, what was the real rate of interest over the last year? Disregard cross-product terms; that is, if averaging is required, use the arithmetic average 0 2.25% 0 1.53% O 1.80% o 2.07%