Mental accounting bias is best illustrated by which of the following statements? Select one: a. Investors attribute good outcomes to skill, and bad outcomes to dumb luck. O b. Utility depends on changes in current wealth, rather than the level of wealth. c. Investors compartmentalize each decision and blame themselves more when an unconventional or risky bet turns out badly. d. Investors may separate accounts in distinct layers where each layer may be tied to specific goals and elicit different levels of risk aversion. O e. How risk is described, such as risky losses vs. risky gains, can affect investor decisions