A stock has annual returns of 5.0 percent, 12.5 percent, -4.8 percent, and 74 percent for the past four years. The arithmetic average of these returns is percent while the geometric average return for the period is percent Select one: O a. 5.33; 5.21 b. 4.75; 4.54 c.5.03; 4.83 O d. 4.98; 5.21 e. 5.33; 5.12