[Ch 12] The following information is for the next three problems. Use a calculator, not Excel, as you will need to on an exam. Over the last four calendar years, the 1-year holding period total returns (i.e., annual returns) for Walmart common stock (ticker symbol WMT) were: 2019: 27.58% 2020: 21.30% 2021: 0.37% 17. Calculate the arithmetic average annual return. % (to nearest 0.01%) 18. Calculate the geometric average annual return. (to nearest 0.01%) % 19. Calculate the volatility of the annual returns. (to nearest 0.01%) % 2022: -2.00%