Question: The rate of return on Cherry Jalopies, Inc., stock over the last five years was 18 percent, 11 percent, -2 percent, 2 percent, and 15 percent. Over the same period, the return on Straw Construction Company's stock was 16 percent, 10 percent, -1 percent, 3 percent, and 12 percent. What was the arithmetic average return on each stock over this period?