Charles has created the following investment portfolio: • At the end of each year, for the past 5 years, he has purchased a 5-year $2000 CSB, with an average annual interest rate of 3.3%, compounded annually. • He has a $10 000 GIC, with a 5-year term, that he purchased 5 years ago and that earned 6.0% interest, compounded monthly. a) What is the current value of Charles’ portfolio? b) What is Charles’ rate of return? Round your answer to the nearest tenth