5. Calculating Average Returns (LO1, CFA1) The rates of return on Cherry Jalopies, Inc., stock over the last five years were 17 percent, 11 percent, -2 percent, 3 percent, and 14 percent. Over the same period, the returns on Straw Construction Company's stock were 16 percent, 18 percent, -6 percent, 1 percent, and 22 percent. What was the arithmetic averagerreturn on each stock over this period? 6. Calculating Variability (LO4, CFA4) Using the information from Problem 5, calculate the variances and the standard deviations for Cherry and Straw