a. Question 2 (5 Marks) Over the past 12 months, you earned a nominal rate of interest of 9% on your money. The inflation rate was 3.5% over the same period. What was the exact actual growth rate of your purchasing power? 3 marks b. A year ago, you invested $10,000 in a savings account that pays an annual interest rate of 3.6%. What is your approximate annual real rate of return if the rate of inflation was 4.5% over the year? 2 marks Show all your calculations