Which tend to be more volatile, short or long term interest rates? O Short-term interest rates O Long-term interest rates If the inflation rate was 2.60% and the nominal Interest rate was 6.60% over the last year, what was the real rate of interest over the last year? Disregard cross product terms that is, averaging is required, use the arithmetic average Round intermediate calculations to four decimal places. 4.00% 3.40% 5.00 4.60%