(b) Using the approach covered in your textbook calculate the geometric average annual rate of return over five years given the following annual rates, year 1 = 2.10%, year 2 = 2.40%, year 3 = 2.80%, year 4 = 3.25% and year 5 = 3.75% . What is the arithmetic average? Explain the difference. [Rates as a percentage accurate to one basis point)