The rate of return on Cherry jalopies, Inc. stock over the last five years was 21 percent, 10 percent, & percent. 7 percent, and 13 percent. Over the same period, the return on Straw Costruction Company's stock was 16 percent, 20 percent. 3 percent 3 percent, and 14 percent Calculate the percentage standard deviations for Cherry (Do not round intermediate calculations. Enter your standard deviation as a percent rounded to 2 decimal places)