Over the past year, you earned a nominal rate of interest of 3.6% on your money. The inflation rate was 3.1% over the same period. The exact actual growth rate of your purchasing power was

A year ago, you invested $2,500 in a savings account that pays an annual interest rate of 2.5%. What is your approximate annual real rate of return if the rate of inflation was 3.4% over the year?

If a quarterly investment provides APR 5% , its effective annual rate is __________