Analyzing Risk and Return on Chargers Products' Investments unior Sayou, a financial analyst for Chargers Products, a manufacturer of sta- dium benches, must evaluate the risk and return of two assets, X and Y. The firm is considering adding these assets to its diversified asset portfolio. To assess the return and risk of each asset, Junior gathered data on the annual cash flow and beginning- and end-of-year values of each asset over the immediately pre- ceding 10 years, 1994-2003. These data are summarized in the accompanying table. Junior's investigation suggests that both assets, on average, will tend to